Quote:
Originally posted by WillowIX:
Wouldn´t it be easier to count the electrons in the atom? Since all but the inert gases needs more or less e- to fill out their shells only the inert gases are capable of being single. That´s the most favorable state for them. For every other atom the omst favorable state is to be connected to another atom thereby gaining inert capability...
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True, privided you know about electron arrangements and covalent bonding. Even then its quicker to know which 7 are diatomic than to work it out from first principles.