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Subject Test Chemistry

Question 11 of 13

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SAT Subject Test

The set of lettered choices below refers to multiple questions. Select the one lettered choice that best fits each statement or answers each question. A choice may be used once, more than once, or not at all in each set.

Has the electron configuration 1 s to the power of 2 end exponent 2 s to the power of 2 end exponent 2 p to the power of 6 end exponent 3 s to the power of 2 end exponent 3 p to the power of 4 end exponent

Select an Answer

text Ar end text

Correct Answer: 
No

text O end text

Correct Answer: 
No

text S end text

Correct Answer: 
Yes

text Ti end text

Correct Answer: 
No

text U end text

Correct Answer: 
No

The highest principal quantum number in this electron configuration is 3 (valence electrons 3 s to the power of 2 end exponent 3 p to the power of 4 end exponent), so the element is in the third period of the periodic table. The atom has two s and four p valence electrons, so it is in the oxygen group. The atom is therefore an atom of sulfur.

Question Difficulty: 
medium