anonymous
  • anonymous
How would I draw the atom Lithium in it's ground and excited state following a Bohr model? I just need to know how to get there... :)
Chemistry
jamiebookeater
  • jamiebookeater
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Lukecrayonz
  • Lukecrayonz
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anonymous
  • anonymous
I need to know how you actually got there. :/
UnkleRhaukus
  • UnkleRhaukus
well Lithuim has 3 protons and four neurons and an electronic structure of \[ 1s^2 2s^1\]

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anonymous
  • anonymous
Can you please explain what your structure stands for?
Lukecrayonz
  • Lukecrayonz
Electron configuration, 1s^2 2s^1.
UnkleRhaukus
  • UnkleRhaukus
well the \[1s^2\] part is just saying that there are 2 electrons in the inner shell, the 's' orbital is spherical the next shell is 2s which is also spherical and has 1 electron
anonymous
  • anonymous
What I'm really confused about is how the diagram showed only 3 electrons when the PT says 7. I'm sure I'm missing something here. :/
UnkleRhaukus
  • UnkleRhaukus
no the periodic table say there are 7 nucleon, (that is neutrons and protons) only the protons have charge, and need to be balanced by electrons
anonymous
  • anonymous
The periodic Table simple states that Li is the 3rd element, but it has a mass of 7. which ties in with what UnkleR is saying.
anonymous
  • anonymous
Oh, I get it! I was just reading it wrong. Ok then, one more question: How would I be able to find out how many electrons an atom has in it's "excited form"? :)
UnkleRhaukus
  • UnkleRhaukus
well if the atom is excited , it has more energy, this could mean one of the electrons is is a higher orbital that the ground state,
anonymous
  • anonymous
Ok then, thank you VERY much for clearing that up. :)

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