9th Class Chemistry MCQS Periodic Table and Periodicity of Properties Online Test 4
in-which-block-elements-of-group-17-are-found-3-f_-_p,ionization-energy-increase-in-period-because-3-a_-_force-of-attraction-between-valence-shell-electrons-and-nucleus-increases,long-form-of-periodic-table-is-constructed-on-the-basis-of-3-a_-_atomic-number,mendeleev-27-s-periodic-table-was-3-a_-_mass-number,modern-periodic-law-is-presented-by-3-a_-_h-moeley,no-of-elements-in-second-period-is-3-a_-_8,number-of-elements-in-1st-period-are-3-a_-_2,number-of-elements-in-normal-period-are-3-a_-_8,octet-rule-is-3-a_-_attaining-of-eight-electrons,point-out-the-incorrect-stetement-about-electron-affinity-3-a_-_in-decreases-in-period,the-alkali-metals-are-found-in-which-group-of-periodic-table-3-f_-_1,the-amount-of-energy-given-out-when-electron-is-added-to-an-atom-is-called-3-a_-_electron-affinity
Questions | 12 |
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Available | Always |
Pass rate | 45 % |
Backwards navigation | Allowed |