1
Q
What is an ion?
A
An ion is a particle with a charge due to the loss or
gain of one (or more) electrons.
2
Q
What happens if an atom loses an electron?
A
It gains a 1+ charge
3
Q
What happens when an atom gain an electron?
A
It gains a -1 charge
4
Q
Metal ions?
A
Metals always lose electrons, to form positive ions.
5
Q
Non-metal ions?
A
Non-metals typically have lots of electrons on
their outer shell.
Therefore non-metals gain electrons (or share)
to form a full outer shell.
THEY FORM NEGATIVE IONS CALLED ANIONS
Chemistry Y9
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