Question

Out of the elements H(1), Be(4), Na(11) and Mg(12).
i. Name one another element belonging to each of these groups
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Answer 1

Answer:

H, Na, and K are belong same group and Be, Mg and Ca are belong same group.

if you satisfied with my answer then make it brilientlist.

Answer 2

Answer:

Hydrogen(H) - Lithium is another element belonging to its group as both their valencies are same i.e., 1.

Beryllium(Be) - Calcium is another element belonging to its group as both their valencies are same i.e., 2.

Sodium(Na) - Potassium is another element belonging to its group as both their valencies are same i.e., 1.

Magnesium(Mg) - Barium is another element belonging to its group as both their valencies are same i.e., 2.

Hope it helps..!!