Question

Chemistry Question for Brainly​

Answer 1

Answer:

(a). The element 'E' present in group 14 is a non-metal. It's name is silicon(Si) and the compounds of the element are only covalent.

(b). The element 'D' present in group 2 is a metal known as magnesium(Mg). It exhibits valency 2 in its compounds.

(c). The element 'B' present in group 15 is a non-metal. It is nitrogen(N) and exhibits valency 3 in its compounds.

(d). The element 'D' has bigger atomic radius than the element 'E' as the atomic size decreases along a period.

Answer 2

Answer:

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