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Mostly because before you get to the 'p' orbital (which requires eight
electrons to make it a happy orbital -hence "octet") you need to fill the
's' orbital (which requires 2 electrons to make it happy). That's why the
numbers on the noble gasses aren't integer multiples of 8, they look more
like {[(n-1)*8]+2}. Where 'n' is the period #. That is, of course, until
you get past Argon where you have to start filling 'd' orbitals of 10 e-
each. The octet rule just says that an atom likes to have its outermost
shell filled with e-. He just happens to have an 's' orbital as it's
outermost shell.
Ben Greenhouse wrote:
>If He has an atomic number of 2 (which it does), it therefore has two
>protons in it's nucleus. in order to be an uncharged atom (which it is), it
>must therefore have 2 electrons orbiting the nucleus. How then can it have
>a stable octet of electrons?
>So what did it look like up your lab partners skirt?
==>Paisley :)
>Ben
---Thank you, please drive through....
- Rob
"Remember when sex was safe and diving was dangerous?"
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