Question

The electrons in the atom of four elements A, B, C, and D are distributed in three shells having 1, 3, 5, 7 electrons respectively in outermost shells. Then find the molecular formula of the compound formed when B and D combined. Explain how you find the solution?

Answer 1

Answer:

Al7cl3

Explanation:

A=SODIUM

B=ALUMINIUM

C=p

D= Chlorine

now al combine with cl

al have 3 electrone at outermost shell and cl have 7

al. cl

3. 7

al7cl3