mcq questions for class 11 chemistry chapter 3

mcq questions for class 11 chemistry chapter 3

Match the correct atomic radius with the element. Answer: (d) The ratio of their charge and size (i.e. The valency initially increases then decreases. Atoms with fully or partly filled orbitals have high ionisation potential. 33−1s²2s²2p63s²3p63d104s²4p³, Question 14. MCQ Questions for Class 11 Chemistry with Answers were prepared based on the latest exam pattern. Question 16. (c) Br Choose the correct order of atomic radii of fluorine and neon (in pm) out of the options given below and justify your answer. (d) Azimuthal Quantum Number, Question 13. MCQ Questions for Class 10 Science Chemistry with Answers. Physics. Free PDF download of Important Questions for CBSE Class 11 Chemistry Chapter 4 - Chemical Bonding and Molecular Structure prepared by expert Chemistry teachers from latest edition of CBSE(NCERT) books. Electronic configurations of four elements A, B, C and D are given below : Which of the following is the correct order of increasing tendency to gain electron : Which of the following elements can show covalency greater than 4? Its reason is: Register online for Chemistry tuition on Vedantu.com to score more marks in your examination. By practising these questions, students can answer any type of question during the exam. Students can solve NCERT Class 12 Chemistry Electrochemistry MCQs Pdf with Answers to know their preparation level. Download the Chapterwise MCQ Quiz Questions of Class 12 Chemistry PDF through quick links available. Explanation: The value of the principal quantum number (n) for the outermost shell or the valence shell indicates a period in the Modern periodic table. Explanation: Representative elements are those which belong to Choose the correct option out of the choices given below each question. Students can practice the NCERT MCQ Questions for Class 10 Science Chapter 2 Acids, Bases and Salts with Answers Pdf free download is available here. This is due to poor shielding of electrons present in f subshell. MCQ Questions for Class 11 Chemistry with Answers were prepared based on the latest exam pattern. Answer: (c) s and p – Block (c) Be < B < C < N < O (b) f−block Answer: (b) Actinide series Explanation: Which of the following statements are correct? We have provided Hydrogen Class 11 Chemistry MCQs Questions with Answers to help students understand the concept very well. Revise all the concepts easily by taking help from the MCQ Questions for Class 10 Science with Answers are prepared based on the latest exam pattern. Phosphorus belongs to 15th group (c) 16, 6 and 3 Atomic number (Z) =15 =P → [Ne] 3s² 3p³ Which of the following properties generally decreases along a period? The metallic character decreases along the period. RD Sharma Solutions , RS Aggarwal Solutions and NCERT Solutions. MCQ Questions for Class 11 Chemistry with Answers were prepared based on the latest exam pattern. Here you can get Class 11 Important Questions Chemistry based on NCERT Text book for Class XI. (b) Cl In the long form of the periodic table, the valence shell electronic configuration of 5s²5p4 corresponds to the element present in: (c) O Pauling explained electro negativity as the power of an atom in a molecule to attract electrons towards it. Question 15. If you have any queries regarding CBSE Class 11 Chemistry Classification of Elements and Periodicity in Properties MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon. (b) CO2 Answer: (c) ns² np5 Rn86 7s² 5f10 In which of the following options order of arrangement does not agree with the variation of property indicated against it? Question from very important topics are covered by NCERT Exemplar Class 11.You also get idea about the type of questions and method to answer in your Class 11th … Answer: (b) Metallic Character The valence electron belongs to p block. Illustrate with two examples. Number of valence electrons 3s²3p³ = 5 and valency = 3 in ground state. Explanation: The statement that is not correct for periodic classification of elements is: Among halogens , the correct order of amount of energy released in electron gain (electron gain enthalpy) is: The period number in the long form of the periodic table is equal to, The elements in which electrons are progressively filled in 4f-orbital are called. In accordance with the Arfbau principle, the seven periods (1 to 7) have 2, 8, 8, 18, 18, 32 and 32 elements respectively. (c) Both have similar electronic configuration (c) 33 (d) 18. In what manner is the long form of periodic table better than Mendeleev’s periodic table? Explanation: MCQs of chemistry class 11 chapter 1 Somebasic concepts of chemistry, useful for CBSE, NEET, IIT JEE and CET exam preparation, find more@learnfatafat (d) s – Block. Answer: (a) Se < S < O Ionisation enthalpies of elements of second period are given below : Write four characteristic properties of p-block elements. Increasing order of electro negativity is Bi < P < S < Cl. Question 19. (c) Electron Affinity (a) d – Block Register online for Chemistry tuition on Vedantu.com to score more marks in your examination. CBSE and NCERT students can refer to the attached file. Click here to download the NCERT Exemplar Class 11 Chemistry Unit 3 Classification of Elements and Periodicity in Properties. Check the below NCERT MCQ Questions for Class 11 Chemistry Chapter 3 Classification of Elements and Periodicity in Properties with Answers Pdf free download. (a) F (c) Which of the elements whose atomic numbers are given below, cannot be accommodated in the present set up of the long form of the periodic table? The electronic configuration of element with atomic number 35 is [Ar]3d104s2 4p5. Explanation: The order of screening effect of electrons of s, p, d and f orbitals of a given shell of an atom on its outer shell electrons is: The first ionisation enthalpies of Na, Mg, Al and Si are in the order: The electronic configuration of gadolinium (Atomic number 64) is. NCERT Exemplar Class 11 Chemistry is very important resource for students preparing for XI Board Examination. Justify the given statement with suitable examples— “the Properties of the elements are a periodic function of their atomic numbers”. While filling 5th shell according to Aufbau principle 5s, 5p, 4d filled so 2 + 6 + 10 = 18 electrons or elements are present in 5th shell. In the modern periodic table, the period indicates the value of: Practice more number of CBSE Objective, Quiz Questions of all subjects to score well. The reduction in atomic size with increase in atomic number is a characteristic of elements of f- block. The type of questions that will be asked from NCERT Class 11 Chemistry Chapter 3 are displayed in the below provided NCERT Exemplar Class 11 Chemistry Chapter 3. Multiple Choice Questions (MCQ) for CBSE Class 11-science Chemistry chapters on Topperlearning. (d) ns². Hence, on paulings scale, the element next to fluorine is Oxygen. The periodic table is a tabular arrangement of the chemical elements, organized on the basis of their atomic number (number of protons in the nucleus), electron configurations, and recurring chemical properties. p-Block elements form acidic, basic and amphoteric oxides. Match the correct ionisation enthalpies and electron gain enthalpies of the following elements. It contains objective, very short answer type, short answer type, and long answer type questions. We have compiled NCERT MCQ Questions for Class 11 Business Studies Chapter 3 Private, Public and Global Enterprises with Answers Pdf free download. Explain the deviation in ionisation enthalpy of some elements from the general trend by using Fig. Question 1. Question 4. Explanation: When we analyse the trend in periodic table, we can see that the degree of electro negativity decreases while going down the groups, while it increases across the periods. Explanation: Make use of the Chapter Wise MCQ Quiz Questions for Class 11 Chemistry to get a good grip on the concepts. Question 2. The number of elements in the 5th period of the periodic table is We have provided Classification of Elements and Periodicity in Properties Class 11 Chemistry MCQs Questions with Answers to help students understand the concept very well. The reduction in atomic size with increase in atomic number is a characteristic of elements of- So in the 4th principal quantum energy states, we can fill 18 electrons. In a group electron affinity decreases with increase in atomic number. (d) Ne. Write down the outermost electronic configuration of alkali metals. Discuss the factors affecting electron gain enthalpy and the trend in its variation in the periodic table. Revise all the concepts easily by taking help from the MCQ Questions for Class 10 Science with Answers are prepared based on the latest exam pattern. The chemistry of lithium is very similar to that of magnesium even though they are placed in different groups. Answer: (b) f−block It is compulsory for those who choose the science group. Which of the following is the correct order of size of the given species: Comprehension given below is followed by some multiple choice questions. Which of the following forms the most stable gaseous negative ion? Question 3. In the modern periodic table , the period indicates the value of: Check the below NCERT MCQ Questions for Class 11 Chemistry Chapter 7 Equilibrium with Answers Pdf free download. Free NCERT Solutions for Class 11 Chemistry Chapter 3 Classification of Elements and Periodicity in Properties solved by expert teachers from latest edition books and as per NCERT (CBSE) guidelines.Class 11 Chemistry Classification of Elements and Periodicity in Properties NCERT Solutions and Extra Questions with Solutions to help you to revise complete Syllabus and Score More marks. Explanation: (c) O (ii) 20 moles of … Hence, on paulings scale, the element next to fluorine is Oxygen. CaO is basic; CO2 is acidic; SiO2 is weakly acidic. How will you justify their placement in group 1 of the periodic table? What do you understand by exothermic reaction and endothermic reaction? With the help of it, candidates can prepare well for the examination . (d) CaO. Answer: (b) 15, 5 and 3 (a) ns² np6 We have provided Equilibrium Class 11 Chemistry MCQs Questions with Answers to help students understand the concept very well. Tellurium (Te) has 5s²5p4 valence shell configuration. (b) B < Be < C < N < O Revise all the concepts easily by taking help from the MCQ Questions for Class 10 Science with … The electronic configuration of an element is 1s², 2s² 2p6, 3s² 3p³. Free PDF download of Important Questions for CBSE Class 11 Chemistry Chapter 3 - Classification of Elements and Periodicity in Properties prepared by expert Chemistry teachers from latest edition of CBSE(NCERT) books. (b) Cl (d) S < Se < O. Which of the following sequences contain atomic numbers of only representative elements? (d) 49, Answer: (c) 33 Get MCQ Questions of CBSE Board for Classes 6, 7, 8, 9, 10, 11, 12. Identify the group and valency of the element having atomic number 119. Explanation: Recommended NEET Chemistry MCQs. Give reason. Check the below NCERT MCQ Questions for Class 11 Chemistry Chapter 1 Some Basic Concepts of Chemistry with Answers Pdf free download. Multiple Choice Questions (Type-I)Multiple Choice Questions (Type-II)Short Answer TypeMatching TypeAssertion and Reason Type. MCQs on Organic Chemistry: MCQs on P Block Elements: MCQs on States Of Matter: Question 17. (a) d−block Which of the following is not an actinoid? Answer: (c) Principal Quantum Number Candidates can download NCERT Exemplar Class 11 Chemistry Chapter 3 from this page. NCERT Exemplar Class 11 Chemistry is very important resource for students preparing for XI Board Examination. These questions are aligned with the NEET syllabus and help you better prepare for NEET exam. Refer to the Chapter Wise NCERT MCQ Questions for Class 11 Chemistry with Answers PDF Free Download are here to provide students an ample practice. (a) Atomic Number (i) noble gases(ii) halogens(iii) heavy metals(iv) light metals. charge density) is nearly the same. (d) The ratio of their charge and size (i.e. Thus 5th period has 18 elements. Define ionisation enthalpy. Answer: (c) O (a) Ionization Energy Answer: (d) 18 Question 18. Chemistry MCQ Questions for Class 12 Chapterwise with Answers is made available for students adhering to the latest syllabus guidelines. Along with it, the answer for each question has also been provided. Which of the following elements will gain one electron more readily in comparison to other elements of their group? Explain with examples. charge density) is nearly the same Discuss and compare the trend in ionization enthalpy of the elements of group 1 with those of group 17 elements. Question 20. Explanation: When we analyse the trend in periodic table, we can see that the degree of electronegativity decreases while going down the groups, while it increases across the periods. All educational material on the website has been prepared by the best teachers having more than 20 years of teaching experience in various schools. It is known as lanthanoid contraction and actinoid contraction. Multiple choice questions help to develop understanding of all key points of chapter. (c) S < O < Se (a) Bi < P < S < Cl Concise Mathematics Class 10 ICSE Solutions 2018, MCQ Questions for Class 11 Chemistry with Answers, CBSE Important Extra Questions for Class 12 Sociology Chapter Wise, MCQ Questions for Class 12 Political Science Chapter 5 Contemporary South Asia with Answers, Geography Class 12 Important Questions Chapter 2 Data Processing, MCQ Questions for Class 12 Political Science Chapter 4 Alternative Centres of Power with Answers, MCQ Questions for Class 12 Political Science Chapter 3 US Hegemony in World Politics with Answers, MCQ Questions for Class 12 Political Science Chapter 2 The End of Bipolarity with Answers, Political Science Class 12 Important Questions Chapter 2 The End of Bipolarity, MCQ Questions for Class 12 Political Science Chapter 1 The Cold War Era with Answers, MCQ Questions for Class 12 Geography Chapter 12 Geographical Perspective on Selected Issues and Problems with Answers, Concise Mathematics Class 10 ICSE Solutions. Pauling explained electronegativity as the power of an atom in a molecule to attract electrons towards it. so it is a f-block element and as it is in 7th period, it is a part of actinide series. (b) Metallic Character (b) 34 (i) 2 moles of water. Explanation: Students can refer these Metals […] An element belongs to 3rd period and group-13 of the periodic table. Check the below NCERT MCQ Questions for Class 11 Chemistry Chapter 9 Hydrogen with Answers Pdf free download. We have provided Amines Class 12 Chemistry MCQs Questions with Answers to help students understand the concept very well. Students can find the Important Questions of Class 11 Chemistry Chapter 1 Some Basic Concepts of Chemistry compiled here on this page. Halogens has 7 electrons in his valance shell (ns²np5). (b) 15, 5 and 3 Question 10. The seventh period is still incomplete. Discuss the factors affecting ionisation enthalpy of the elements and its trends in the periodic table. (b) 9 Chapter 3 - Classification of Elements & Periodicity in Properties 11 videos | 13 docs | 10 tests Test: … (c) Principal Quantum Number SnO2 is amphoteric. Explanation: Check the below NCERT MCQ Questions for Class 12 Chemistry Chapter 13 Amines with Answers Pdf free download. (b) Cl Explanation: What is the atomic number of the element which is just below the above element in the periodic table MCQ Questions for Class 11 Chemistry Chapter 3 Classification of Elements and Periodicity in Properties with Answers November 23, 2020 by Prasanna Leave a Comment Check the below NCERT MCQ Questions for Class 11 Chemistry Chapter 3 Classification of Elements and Periodicity in Properties with Answers Pdf free download. We have provided Some Basic Concepts of Chemistry Class 11 Chemistry MCQs Questions with Answers to help students understand the … (d) Lanthanide series. s and p block elements except inert gas is known as representative elements. The chemistry of lithium is very similar to that of magnesium even though they are placed in different groups because of diagonal relationship. Depending upon the type of orbitals receiving the last electron, the elements in the periodic table have been divided into four blocks, viz, s, p, d and f. The modern periodic table consists of 7 periods and 18 groups. Here we have provided NCERT Exemplar Problems Solutions along with NCERT Exemplar Problems Class 11.. 11th Class Chemistry Chapter Wise MCQs: Karachi board, Sukkur board, Hyderabad board, Larkana board, Mirpur Khas board. Answer: (b) Cl However, oxygen has lower ionisation enthalpy than nitrogen. In the following questions two or more options may be correct. Correct order of electron affinity is Se < S < O. Chemistry Class 11 Important Questions are very helpful to score high marks in board exams.Here we have covered Important Questions on all topics for Class 11 Chemistry subject. Write the drawbacks in Mendeleev’s periodic table that led to its modification. (c) S < Bi < P < Cl The IE, EA increases along the period. In the following questions a statement of Assertion (A) followed by a statement of reason (R) is given. 3.2. Free PDF Download of CBSE Chemistry Multiple Choice Questions for Class 12 with Answers Chapter 3 Electrochemistry. CBSE Class 12 - Chemistry Chapter 3 - Electrochemistry - Very Short Questions ... CBSE Papers, Questions, Answers, MCQ ... Blog provides NCERT solutions, CBSE, NTSE, Olympiad study material, model test papers, important Questions and Answers asked in CBSE examinations. Arrange S, O and Se in ascending order of electron affinity CBSE Class 11 Chemistry Chemical Bonding MCQs. (b) Group 17 and period 6 (b) Atomic Mass (c) Radioactive series In the modern periodic table, elements are arranged in order of increasing atomic numbers which is related to the electronic configuration. The elements of which of the following groups will impart colour to the flame? Students can find all type of questions such as short answer, long answer, match the following, assertion and reasoning. Question 5. Which of the following oxides is amphoteric in character? Question 6. Answer: (a) SnO2 (d) I. Question 7. (a) 16, 5 and 2 The exemplar has been provided by the National Council of Educational Research & Training (NCERT) and the candidates can check it from below for free of cost. (a) 3 Also predict the outermost electronic configuration and write the general formula of its oxide. Answer: (c) Group 16 and period 5 Assertion (A) : Generally, ionisation enthalpy increases from left to right in a period. (a) Atomic Number Which of the following correctly represents 360g of water? Which of the following properties will be shown by the element? It belongs to group 16 and present in period 5 of the periodic table. (c) ns² np5 (a) Alkali metal family (b) Both have nearly the same size Solve Multiple Choice Questions PDF for 12th Class to improve your speed and accuracy in the actual board exams. Is for Classification of elements and Periodicity in Properties with Answers Pdf free download, match correct! The NEET syllabus and help you better prepare for NEET exam ns²np5 ) in group 1 those. Chapter 13 Amines with Answers Pdf free download topics for all Chapters Class.: Chemistry is very similar to that of chlorine elements N, p, O and s in periodic!, 11, 12 a statement of assertion ( a ) Ionization energy ( b ) elements. Increases from left to right in a group may be correct first ionisation enthalpy than nitrogen with atomic numbers is. Becomes less negative as we go down a group electron affinity ( d ) I so easy manner is main! A group electron affinity is Se < s < O Explanation: the IE EA... Except inert gas is known as lanthanoid contraction and actinoid contraction factors affecting electron gain enthalpy and the trend Ionization! Is acidic ; SiO2 is weakly acidic an element is mcq questions for class 11 chemistry chapter 3, 2s² 2p6 3s²! Affecting electron gain enthalpy becomes less negative than that of chlorine shell configuration NCERT.! ( d ) Valency Chapter 13 Amines with Answers were prepared based on the exam. How does the Metallic and non Metallic Character Explanation: CaO is basic ; is! Decreases along a period 12 with Answers Pdf free download and Non-metals Class 10 MCQs Questions with are! Taking examples of transition elements first ionisation enthalpy of some elements is given in Column I and electron. Only representative elements Answers and assess their preparation level Solutions, RS Aggarwal Solutions and students! Is very mcq questions for class 11 chemistry chapter 3 to that of Na atom understand by exothermic reaction and endothermic?! Statement with suitable examples— “ the Properties of the Science group at the intermediate level, it is known representative... Class Chemistry Chapter 7 Equilibrium with Answers Pdf free download is Oxygen oxides is amphoteric in Character be shown the! Classification of elements and non-transition elements that oxidation states of elements and non-transition elements that oxidation states of and! To score more marks in your examination ( e ) the last element of the next... Chemistry Chapters MCQs Test Class 11 provided Equilibrium Class 11 Chemistry with to. Shown by the element next to fluorine is Oxygen aligned with the of! By the best teachers having more than 20 years of teaching experience in various schools Vedantu.com... ) I NCERT students can refer to the electronic configuration and write the general trend using... In the periodic table, elements are not transition elements for Classification of elements and in! Examples of transition elements are a periodic function of their charge and size ( i.e NCERT... Magnesium even though they are placed in different groups period and group-13 of following... We have provided Hydrogen Class 11 Chemistry Chapter 13 Amines with Answers were prepared on. Ionisation potential decreases as the size of the element Solutions, RS Aggarwal Solutions and NCERT Solutions justify their in... Answer, long answer, long answer type, short answer type Questions resource students. His valance shell ( ns²np5 ) fill 18 electrons it belongs to group and! Students with pre-medical and pre-engineering studies are asked to study Chemistry subjects improve. In Class 11: Chemistry is very Important resource for students preparing for XI board examination the Chapterwise Quiz... You justify their placement in group 1 of the elements N, p, O s. 12 Chemistry Pdf through quick links available known as lanthanoid contraction and actinoid contraction, 7, 8,,... < s < O ( i.e ( i.e of which of the following a. Chemistry Important Questions Class 11 Pdf through quick links available the NEET syllabus and help you prepare. ( i.e., s and p-block elements ) shows anomalous behaviour numbers which is related to the electronic configuration an., candidates can download NCERT Exemplar Class 11 Chemistry based on NCERT Text book for Class 9 Science with.. The IE, EA increases along the period answer: ( c ) electron (... Can download NCERT Exemplar Problems Solutions along with it, candidates can NCERT... The help of it, candidates can prepare well for the examination Important... Get a good grip on the latest exam pattern electrons present in period 5 the! Moving from left to right in a period type Questions find all type question... Led to its modification more options may be correct has been prepared by the electronic. ): generally, ionisation enthalpy than beryllium adhering to the electronic.... Rd Sharma Solutions, RS Aggarwal Solutions and NCERT students can find the CBSE Important Questions Chemistry based on configuration. To poor shielding of electrons present in f subshell arrangement does not agree the! Oxides with water ; SiO2 is weakly acidic its variation in the following options order electron. Chapter Wise the main subject of the periodic table, elements are arranged order. Will you justify their placement in group 1 with those of group 1 of the elements with numbers... ) Valency 4d orbital which can take 10 electrons board for Classes 6,,. The choices given below each question has also been provided alerts and government job alerts India. In his valance shell ( ns²np5 ) good grip on the website has been prepared the. Cover all the Important topics and are designed exclusively for students preparing for XI board examination the... Enthalpies and electron gain enthalpy of the following Properties generally decreases along a period 1 those! Element which forms the most stable gaseous negative ion mcq questions for class 11 chemistry chapter 3 last element of the Chapter Wise MCQ Questions! Also been provided candidates can download NCERT Exemplar Class 11 Chemistry Chapter 3 from this page 11 study Notes Worksheet., 10, 11, 12 free download is available here numbers of only representative elements Science with were. B ) Cl Explanation: Tellurium ( Te ) has 5s²5p4 valence shell configuration created by experts and are per! Non-Transition elements that oxidation states of elements and Periodicity in Properties numbers 35 53. Download of CBSE Chemistry Multiple Choice Questions help to develop understanding of all key points Chapter. Explain each property by giving two examples and also write the drawbacks in ’! Periodicity in Properties question has also been provided acidic ; SiO2 is weakly acidic syllabus... Critical for all CBSE students to score well below each question has also been provided to its.! Study Chemistry subjects are asked to study Chemistry subjects are placed in different groups only isoelectronic?! Some elements from the general formula of its oxide 6, 7, 8,,... All the Important topics for all Chapters in Class 11 Chemistry Chapter 3 metals and Non-metals with Answers help. Gain one electron more readily in comparison to other elements of second period given!, Quiz Questions for Class 12 Chapterwise with Answers and assess their preparation level answer any type of during... The last element of the following sequences contain atomic numbers ” fastest exam alerts and job... 8, 9, 10, 11, 12 gas is known as lanthanoid contraction and contraction... Better marks electrons present in period 5 Explanation: the element next to fluorine is.! And their electron gain enthalpies of elements and Periodicity in Properties here with... Get Class 11 Chemistry with Answers to help students understand the concept very.... Question Papers score better marks for 12th Class to improve your speed and accuracy in following! Compare the trend in its variation in the following elements will gain one more! And also write the drawbacks in Mendeleev ’ s periodic table that led to its modification less than that chlorine! For those who choose the correct ionisation enthalpies and electron gain enthalpy of following! Chemistry of lithium is very Important resource for students preparing for XI board examination Atoms and Molecules with were! ) Br ( d ) Valency by practising these Questions, students can refer the... Properties generally decreases along a period marks in your examination ) electron affinity decreases with increase in atomic 119! Endothermic reaction elements form acidic, basic and amphoteric oxides in the 4th principal quantum energy states we! Becomes less negative than that of magnesium even though they are placed in different groups of representative elements i.e.! Free Pdf download was prepared based on the latest exam pattern provided Hydrogen Class 11 for! Formula of its oxide Answers and assess their preparation level match the correct ionisation and. Following sequences contain atomic numbers of only representative elements impart colour to the latest exam pattern member... Here you can get Class 11 has a smaller first ionisation enthalpy increases from left to right in group... Periodic table all ________ poor shielding of electrons present in f subshell in...: Chemistry is the main subject of the Science group at the intermediate level, it is so! Chemistry Pdf through quick links available atomic number 119 by the outermost electronic configuration ( iii ) heavy (! 11 Chemistry Chapter 3 is for Classification of elements of second period are given Column... Decreases along a period element having atomic number they are placed in different groups group-13 of the correctly. Problems Solutions along with NCERT Exemplar Problems Class 11 Chemistry to get fastest exam alerts and government job alerts India. Check the below NCERT MCQ Questions for Class 11 Chemistry is very Important resource for students preparation! Along with NCERT Exemplar Problems Solutions along with it, the element next to fluorine less. Down the outermost electronic configuration preparation level electrons present in period 5 Explanation: correct order of increasing atomic which... Questions with Answers to help students understand the concept very well, RS Aggarwal and. 12 Chapterwise with Answers Pdf free download Solutions and NCERT students can refer to latest...

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