Need help confused on how to do this and find the answer please help/ This is an review?

Question

Normally, an atom will have an equal number of protons (+) and electrons (-). Metals are elements that give up one ore more electrons when they react with non-metals, becoming a positively charged ion. Non-metals gain electrons, become negatively charged ions. For each of the following elements and their ions, give the number of electrons present.

1. F F-1 2. O O-2 3. Ca Ca+2

4. Al Al+1 5. N N-3 6. Li Li+1

Answer 1

This table



http://www.gpb.org/files/pdfs/gpbclassroom/chemistry/ionicChargesChart.pdf



gives you what you need:

F - fluoride -1

O - oxide -2

Ca - calcium +2

Al - aluminum - +3

N - nitride -3

Li - lithium +1

Answer 2

1.) F



1.a). F-1



2.) O



2.a).O-2



3.) Ca



3. a). Ca+2



4.) Al



4.a). Al+1



5.) N



5.a). N-3



6.) Li



6.a). Li+1