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Stolb23 [73]
2 years ago
5

What is the second quantum number of a 2s^2 electron in phosphorus,

Chemistry
1 answer:
My name is Ann [436]2 years ago
8 0

Answer:

l = 0

Explanation:

Second quantum number, also known as angular momentum quantum number (l), represents the shape of an orbital. Several quantum numbers and their corresponding orbital shapes are worth remembering:

  • l = 0, this is an s-shaped orbital;
  • l = 1, this is a p-shaped orbital;
  • l = 2, this is a d-shaped orbital;
  • l = 3, this is a f-shaped orbital

Notice that the angular momentum quantum number might be identified solely from the letter. Since we're considering a 2s orbital, this means we're dealing with an s orbital. As defined above, s-shaped orbital would have an l value of l = 0.

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