Question

I need help. Please tell me what should I write in the blanks.

In this picture we are talking about ions, I don’t know what numbers should I put in the blanks.

Thanks

Answer 1

7. P^-3

8. Li^+
9. Be^+2
10. I^-

you have to change the charges since they are ions.

adding electrons —> negative charge

removing/subtracting electrons —> positive charge