Answers 26-27 CFISD TX-Chemistry A CRAtomic Numbers and Electron Configurations

Atomic Numbers and Electron Configurations Answers

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Which of the following is not a valid set of quantum numbers?

n = 2, l = 1, m = 0

n = 1, l = 0, m = 0

n = 3, l = 3, m = 3

Which of the following gives the correct possible values of l for n = 4?

0, 1, 2, 3

–4, –3, –2, –1, 0, 1, 2, 3, 4

0, 1, 2, 3, 4

What is the correct representation for the subshell with n = 2 and l = 1?

Which is the correct electron configuration for sodium (Na)?

1s22s22p62d1

1s22s22p63s1

1s22p63d3

Which element is this?

fluorine (F)

carbon (C)

nitrogen (N)

oxygen (O)

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