two electrons, one bond always
b/c H only has the 1s orbital
May have fewer than 8 electrons, but never more.
b/c F.C. = 0 w/ 2 and 3 bond respectively
Always follow octet rule
b/c the vlaence orbitals aer the 2s and 2p. Not 2d.
Never have less than 8, but may have more.
b/c 3d could be used.
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