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General Chemistry

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Electronic Structure

Question
10 out of 10
 

The electronic configuration of a given element has a 4d subshell. This cannot be the electronic configuration of:

A Os.
B Cu.
C Ag.
D Ra.
Ans. B Osmium, silver, and radium can have the 4d subshell. Copper belongs to the 4th period and therefore cannot have a 4d subshell. All the other elements listed belong to the periods 5, 6 and 7.

Electronic Structure Flashcard List

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