c)1)the atomic mass number is the nucleons(which is the mixture of protons and neutrons) and electrons in the atomic nucleus.
2)mass number is the sum of neutrons and protons.
➜carbon has 6 protons ,6 neutrons and 6 electrons.
➜the atomic number of carbon is 6.
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what is meant by atomic mass number ? explain how atomic number and mass number of carbon are 6 and 12 respectively?
c)1)the atomic mass number is the nucleons(which is the mixture of protons and neutrons) and electrons in the atomic nucleus.
2)mass number is the sum of neutrons and protons.
atomic number and mass number of carbon are 6 and 12 because :
➜carbon has 6 protons ,6 neutrons and 6 electrons.
so,
➜the atomic number of carbon is 6.