Chapter 1 - Some Basic Concepts of Chemistry


  1. how to calculate the atomic mass of isotopes?

    1. The atomic mass of isotopes are calculated by finding the no.of protons and neutrons and multiplying by 1amu

    2. the sum of the numbers of protons and neutrons in the nucleus is called the mass number. This is because each proton and each neutron weigh one atomic mass unit (amu). By adding together the number of protons and neutrons and multiplying by 1 amu, you can calculate the mass of the atom.
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