Chemistry, asked by kbanerji17, 1 year ago

calculate the atomic number of an element whose atomic nucleus has mass number 39 and number of neutron is 20

Answers

Answered by Anonymous
3
atomic no.-39-20=19
hope it helps u. .

kbanerji17: hat
kbanerji17: Yeah
Answered by ttejaswini8213
1

39-20=19

mass num-no of neutrons=atomic num

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