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Question 11 of 13

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 $1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{4}$

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$text Ar end text$

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

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The highest principal quantum number in this electron configuration is $3$ (valence electrons $3 s^{2} 3 p^{4}$ ), 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

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Subject Test Chemistry

Question 11 of 13

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