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Irina18 [472]
3 years ago
11

What element has 4 valence electrons and 5 electron shells?

Chemistry
1 answer:
marta [7]3 years ago
8 0

Answer:  Tin (Sn)

Explanation:  The electron configuration for tin (Sn) is shown in the picture.  It's last electrons are:

5s^2 4d^10 5p^2

The valence electrons are in the 5th electron shell and include 2 each in the 5s and 5p orbitals.

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