Without the use of a periodic table.
use aluminium as an example.
more if possible
use aluminium as an example.
more if possible
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Familiarise yourself with the properties...
If you roughly know the atomic number of each, you could see how many electrons are in the outer shell and work it out from that.. hope that helps!
If you roughly know the atomic number of each, you could see how many electrons are in the outer shell and work it out from that.. hope that helps!
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Either you know the periodic table by heart or you have to have more info. Aluminum is element number 13 so it has 3 valence electrons. That puts it in group IIIA