Group 1 elements since they have one outermost electron which they can give to chlorine which has 7 outermost electrons in order to form a stable compound.
Example
Pottasium (K) + Chlorine (Cl) = Potassium Chloride (KCL)
The movement of the Earth's plates is called Plate Tectonics. Hope this helps! :D
The element sodium has<span> 12 neutrons, </span>11<span> electrons and </span>11<span> protons.
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