PERIODIC TABLE AND PERIODICITY OF PROPERTIES 1. Which of the following groups contain alkaline earth metals? VIIIA VIIA 1A IIA 2. Main group elements are arranged in groups. 10 8 6 7 3. Which of the following elements you expect to have greater shielding effect? Rb Na K Li 4. All the elements of Group IIA are less reactive than alkali metals. This is because these elements have: decreased nuclear charge high ionization energies similar electronic configuration relatively greater atomic sizes 5. As you move from right to left across a period, which of the following do not increase: nuclear charge electron affinity ionization energy shielding effect 6. Period number of 27/23 Al is: 2 1 3 4 7. Which of the following elements belongs to VIIIA? Na Mg Br Xe 8. Number of periods in the periodic table are: 16 7 8 5 9. Valence shell electronic configuration of an element M (atomic no 14) is: 3s2, 3p2 2s², 2p² 2s², 2p³ 2s2, 2p Loading … Question 1 of 9 Related Questions: ATOMIC STRUCTURE Nature of Science in Chemistry MCQ Matter MCQ CHEMICAL BONDING STOICHIOMETERY ELECTOROCHEMISTRY ENERGETICS
