18jonea
  • 18jonea
How many electrons are in the highest occupied energy level of a neutral silicon atom? 8 14 4 12
Chemistry
katieb
  • katieb
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18jonea
  • 18jonea
18jonea
  • 18jonea
aaronq
  • aaronq
can you write the electronic configuration for Si?

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18jonea
  • 18jonea
no i really dont know @aaronq
aaronq
  • aaronq
it's an essential skill if you're doing chemistry and it will come in handy. watch this video https://www.youtube.com/watch?v=2AFPfg0Como
18jonea
  • 18jonea
still have no idea
18jonea
  • 18jonea
18jonea
  • 18jonea
@aaronq I know there is 14 electrons in silicon
18jonea
  • 18jonea
1s2 2s2 2p6 3s2 2p2
18jonea
  • 18jonea
is it 4
aaronq
  • aaronq
awesome. nope, the last energy level would be 3 the number preceeding the letter (orbital) is the energy level, the higher the number, the higher the energy an electron is
aaronq
  • aaronq
oh wait, no the configuration you wrote is incomplete. \(\sf \huge 1s^2 2s^22p^63s^23p^2\) so yeah, 4 electrons
18jonea
  • 18jonea
so the answer is 4
aaronq
  • aaronq
yeah

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