Write the number of protons, neutrons and electron in each of the following isotopes: 2H1 , 18O8, 19F9 , 40Ca20.

Write the number of protons, neutrons and electron in each of the following isotopes: 2H1 , 18O8, 19F9 , 40Ca20.

Ans: – In hydrogen proton is 1, neutron is 1 and electron is 1.

In this oxygen proton is 8, neutron is 10 and electron is 8.

In fullerene proton and electron is 9 and neutron is 10.

In this calcium proton and electron is 20 and neutron is 20.

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