Question

PLEASE ANSWER THIS QUESTION

HOW TO FIND NUMBER OF ELECTRONS AND PROTONS PRESENT IN AN ATOM

FIND NUMBER OF PROTONS
IN "Li3N"

PLEASE HELP ME

Answer 1

in any atom, the atomic number is equal to the number of protons and electrons. mind you, I am talking about atoms ONLY, not ions.

lithium has 3 protons and nitrogen has 7 protons. as there are 3 lithium atoms and one nitrogen atom, there are 3×3+7=7+9=16 protons

Answer 2

Lithium nitride Li3N .Here,nitride ion is N with -3 charge