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QUESTION
The electronic configuration of an element is 1s^2 2s^2 2p^4. How many valence electrons does it have? A) 8 B) 6 C) 4 D) 2
The electronic configuration of an element is 1s^2 2s^2 2p^4. How many valence electrons does it have?
A) 8
B) 6
C) 4
D) 2
