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The atomic weight of an element is 39.The no. of neutrons in its nucleus is one more than the no of protons The no of protons,neutrons and electrons respectively in its atom would be

6 years ago


Answers : (1)


Hi pallavi,

atomic weight = 39

let no of protons = x

then no of neutrons = x+1

x+x+1 = 39

2x = 38

x = 19

no of protons = 19

no of neutrons = 20

no of electrons in neutral atom = 19

6 years ago

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