Chemistry, asked by nishat46, 11 months ago

two elements are denoted as follows A atomic no is20 and mass no is 40 and B atomic no is 18 mass no is 40 find the no of electrons ,protons and neutrons in both A and B

Answers

Answered by cuteboy3841

2

1st.....

electrons= 20

protons= 20

newtrons= 0

2nd....

electrons=18

protons= 18

newtrons= 14

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