How many molecules are in 3.40L of H2O vapor at STP?*
1 answer:
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The quantum numbers are used to describe the position of an electron in atom.
<h3>What are quantum numbers?</h3>The quantum numbers are used to describe the position of an electron in atom. I have attached a picture that shows the complete question.
For the 1s orbital;
n =1
l = 0
ml = 0
ms = ±1/2
For the 2s orbital;
n = 2
l = 1
ml = -1, 0, 1
ms = ±1/2
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