Saturday, August 25, 2012

chemistry


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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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