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General Chemistry

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Electronic Structure

Question
9 out of 10
 

The electronic configuration [Ar] 3d10 4s2 4p2 is that of:

A Ge.
B Zn.
C Se.
D Ar.
Ans. A This question tests your ability to recognize a given electronic configuration. The fastest way to approach this type of question is to look at the root element given. The atomic number of argon is 18. We can count 14 more electrons in the given configuration to get a total of 32 electrons. The atomic number 32 is that of germanium (Ge).

Electronic Structure Flashcard List

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