Question

if an element having 2 proton ,2 neutrons in its nucleus the find out
a. atomic no.
b. mass no.​

Answer 1

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Atomic no. =2

Mass no. =4

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Answer 2

Answer:

atomic no. = 2 and mass no. = 4

Explanation:

atomic no.= total no. of proton in an atom

Mass no. = sum of proton and neutron in an atom