Saturday, August 11, 2012

chemistry

Which of the following element has the corresponding valence subshell of 3p6? Atomic numbers are listed next to the elements.

A. Sulfur 16
B. Chlorine 17
*C. Argon 18
D. Potassium 19

Which of the following element has the corresponding valence subshell of 3s1? Atomic numbers are listed next to the elements.

A. Neon 10
*B. Sodium 11
C. Magnesium 12
D. Aluminum 13

Which of the following element has the corresponding valence subshell of 2p4? Atomic numbers are listed next to the elements.

A. Nitrogen 7
*B. Oxygen 8
C. Neon 10
D. Magnesium 12

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