9th Class Chemistry MCQS Periodic Table and Periodicity of Properties Online Test 5
the-concept-of-triad-was-presented-by-3-a_-_dobereiner,the-distance-between-the-nuclei-of-two-carbon-atom-is-3-a_-_154-pm,the-electron-negativity-of-nitrogen-is-3-a_-_3,the-elements-of-which-block-of-periodic-table-are-transition-metals-3-f_-_d-block,the-fourth-period-contain-number-of-elements-3-a_-_18,the-range-of-atomic-number-in-third-period-of-periodic-table-is-3-a_-_11-to-18,the-valency-of-group_-_2,trnasition-metals-are-found-in-block-3-a_-_f,vertical-lines-called-3-a_-_periods,which-are-is-non-metal-3-f_-_h,which-is-not-noble-gas-3-f_-_hydrogen,which-one-of-the-following-decreases-in-periods-of-periodic-table-3-a_-_atomic-radius
Questions | 12 |
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Available | Always |
Pass rate | 45 % |
Backwards navigation | Allowed |