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Chemistry 11 Online
SourMunchkin7806:

An atom has the following electron configuration. 1s22s22p63s23p3 How many valence electrons does this atom have? 3 5 8 15

SourMunchkin7806:

@dude

SourMunchkin7806:

@Eiwoh2

dude:

Thats phosphorous, it has 5 valence

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