Question

An element ‘x’ belongs to 3rd period and group - 2 of the periodic table.

i) What is the valency of the element ?

ii) What type of element is it (metal/non metal) ?​

Answer 1

I) valency of the element is + 2 as it belongs to the Beryllium group that is the alkaline earth metal group.

ii) It is a Metal.

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Answer 2

Answer:-

i) Since the number of valence electrons and the valency of group 2 elements is 2, the valency of element X is 2.

ii) Group 2 is in the left side of periodic table which consists of metals. Therefore, X is a metal.