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    College Physics Study Set 2
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    Exam 28: Atomic Physics
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    Magnesium Has Atomic Number 12
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Magnesium Has Atomic Number 12

Question 18

Question 18

Multiple Choice

Magnesium has atomic number 12.In its ground state,how many electrons are in its n = 3 shell?


A) 2
B) 8
C) 16
D) 10

Correct Answer:

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