InterviewSolution
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InterviewSolution
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Which of the following statement `(s)` is`//`are correct ?A. Similar electrons configuration is repeated after intervals of `2,8,8,18` and `32` in the extended form of periodic table.B. In a period from right ot left `(larr)`, reducing nature increases.C. Along the period `(rarr)` thye number of valency electrons increases from `1` to `8`.D. The first member of lanthanide series is lanthanum. |
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Answer» Correct Answer - A::B::C::D All statements (a,b,c and d) are correct. b. `s`-block elements can undergo oxidation easily (i.e, strong reducing nature) because of low `IE`. Thus reducing nature increases from the right to the left `(larr)` in a period. |
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