Protons
Electrons
Neutrons
All of the above are the same size.
1 proton, 1 electron, 1 neutron
1 proton, 0 electrons, 1 neutron
1 proton, 1 electron, 0 neutrons
1 proton, 2 electrons, 1 neutron
Calcium
Sodium
Aluminum
Both Sodium and Aluminum
Metalloids
Transition Metals
Noble Gases
Halogens
6
12
8
14
O-14
O-15
O-16
O-8
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