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General Chemistry

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Electronic Structure

Question
3 out of 10
 

The electronic configuration shown below is that of the element: [Kr] 5s2 4d 10 5p2

A Sb.
B Rb.
C In.
D Sn.
Ans. D The atomic number of Kr (krypton) is 36. After the representation of Kr, how many electrons do we have? There are 14 more electrons. That adds up to an atomic number of 50. The atomic number 50 corresponds to the element Sn.

Electronic Structure Flashcard List

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