Element X forms a chloride with formula which is solid with low melting point. X would most likely to be in the same group of the periodic table is?
Explanation for correct option:
(D)
Explanation for the incorrect options:
(A) Sodium has one electron in its outermost shell. Thus, the chloride so formed by it will be .
(B) Magnesium has two electrons in its outermost shell. Thus, the chloride so formed by it will be .
(C) Aluminum has three electrons in its outermost shell. Thus, the chloride so formed by it will be .
Therefore, the correct option is (D). The element X is .