Question

An element x with atomic number 13 reacts with another element Y with atomic number 7 to form a compound. What is it’s formula? Give the nature of this compound

Answer 1

Explanation:

Atomic number of element 'X' (Z = 12) suggests it Mg and atomic number of Element 'Y' (Z = 17) is Cl.

(X)

Mg

+

(Y)

Cl

2

→MgCl

2

Molueular formula of Z is XY

2

Compound 'Z' is ionic compound, hence it would conduct electricity in molten state.