The answer would be 371 because it has multiple complete digits
Most elements on group 18 are the Noble Gases. They already have a complete last level with 8 electrones. Actually they can form compounds but only on the lab and they will not even last half a second.
Answer:
Balanced forces are forces that act in opposite directions and cancel each other out
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Elements in the same group have similar reactivities. For example, elements in group 1 are highly reactive, since they can all take in 7 electrons. Hope I helped!
Answer:
Neutron has no charge while electron has a negative charge and proton has a positive charge
