In ionic compounds the total charge of the positive ions is balanced by the total charge of the negative ions.
- write down the formula of the metal ion
- write down the formula of the negative ion
- if the charge is unbalanced add another ion of the opposite charge.
- repeat until charges balance
Watch the video to see how this works.
When you master this skill you are well on your way to becoming a chemistry geek!. Good luck
……………. and final finally……… a mars bar to the first person who can identify the video music.