Question

Element 'X' reacts with chlorine to form a chloride compound of formula XCI. 'X' would most likely belong to the same group in the
periodic table as that of:
1..silicon
2..magnesium
3..aluminium
4..sodium

please answer fast​

Answer 1

Answer:

magnesium

Explanation:

mg is the same group of cl

Answer 2

2) Magnesium

Formula of chloride al X is XCl2. Its valency is 2. It shows element belongs to second group. As per option X =Mg