How many neutrons are probably in the nucleus of an element of atomic weight 197? a. 43 b. 79 c. 83 d. 100 e. 118

asked Jul 12, 2015 61.9k views

1 vote

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

a. 43
b. 79
c. 83
d. 100
e. 118

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6 votes

atomic weight = 197
symbol = Au
electrons = 79

neutrons = 197 - 79 = 118

answer: E

ErickXavier answered Jul 17, 2015

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