Question

The electrons in the atoms of four elements A, B, C and D are distributed in three shells having i
3,5 and 7 electrons respectively in their outermost shells.Write the electronic configuration
of B and D and the molecular formula of the compound formed when B and D combine. ​

Answer 1

Answer:

first mark as brainlist

Explanation:

The electrons in the atoms of four elements A, B, C and D are distributed in three shells having 1, 3, 5 and 7 electrons in