Question

2. Element X forms a chloride with the formula XC1, which is a solid with a high
melting point. X would most likely be in the same group of the Periodic Table as
(a) Na
(b) Mg
(c) AI
(d) Si​

Answer 1

Answer:

As an element, X forms a chloride with the formula XCl2, which is solid with a high melting point. X would most likely be in the same group of Mg.