Physics, asked by Leeshalalwani, 8 months ago

Number of electron is 2 number of proton is 3 and number of neutron is 4 find its mass number

Answers

Answered by aravachaitanya

1

Explanation:

I think 4 my brother

thanks

Answered by vikhyat04

0

Answer:

7

Explanation:

Mass no=no of neutrons +no of protons

Therefore, mass no is 7

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