1
Q
What is ionic bonding?
A
The electrostatic attraction between ions of opposite charges
2
Q
How are positive ions formed?
A
Atoms in groups 1, 2 and 3 lose electrons to form a full outer shell
3
Q
How are negative ions formed?
A
Atoms in groups 6 and 7 gain electrons to form a full outer shell
4
Q
What is a compound ion?
A
An ion which is made up of multiple atoms
5
Q
What is the principal of electroneutrality?
A
The overall charge of an ionic formulae must be zero
6
Q
How can you find a neutral formula?
A
Add or subtract cations (positive ions) or anions (negative ions)
