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notsponge [240]
3 years ago
10

How many valence electrons are in N2O? SeCl2? PBr3?

Chemistry
1 answer:
8090 [49]3 years ago
5 0
Here is the answer for the three of them
<span>N20 = 16 e-
</span><span>SeCl2 =20
</span><span>PBr3 = 26 
Remember that t</span><span>o find the valence electrons in an atom you need to identify what group the element is in. An element in group 1A has 1 valence electron. If the element is in group 2A, then it has two valence electrons.</span>
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