Question

Element 'X' forms a chloride with the formula XCl2, which is a solid with high melting point. X would most likely be in the same group of the periodic table as:

I) Si
2) Al
3) Mg
4) Na



pls pls answer fast ​

Answer 1

Mg

Step-by-step explanation:

Mg forms 2+ ions and mgcl2 has a melting point over 700°C I believe.