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Naddik [55]
3 years ago
9

How many neutrons are probably in the nucleus of an element of atomic weight 197? 

Chemistry
1 answer:
Ratling [72]3 years ago
4 0
Atomic weight = 197
symbol = Au
electrons = 79

neutrons = 197 - 79 = 118

<u>answer: E</u>
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