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    Chemistry for Changing Time
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    Exam 3: Atomic Structure
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    The Element with the Ground State Electron Configuration of 1s²
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The Element with the Ground State Electron Configuration of 1s²

Question 139

Question 139

Multiple Choice

The element with the ground state electron configuration of 1s² 2s² 2p⁶ 3s² 3p⁵ is


A) Ar.
B) Cl.
C) S.
D) Br.

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