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