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