Difference between mass number and atomic number is as follows:
- The phrases "atomic mass" and "mass number," which are used in chemistry, have different meanings. The average weight of an element is one, while the number of nucleons in the atom's nucleus is another.
- Atomic weight is another name for atomic mass. The weighted average mass of an atom in an element is known as its atomic mass, and it depends on the relative abundance of its isotopes in nature.
- The total number of protons and neutrons in the nucleus of an atom is counted to determine the mass number.
- There are three naturally occurring isotopes of hydrogen, each of which has a unique mass number.
- 1H has a proton and a mass number of 1, while 2H has a proton and a neutron. 1 proton and 2 neutrons make up 3H, which has a mass number of 3. 1H makes up 99.98% of all hydrogen. 1 It is coupled with 2H and 3H to produce a total hydrogen atomic mass of 1.00784 g/mol.
- The protium isotope of hydrogen, which has a single proton, is the only one in which the atomic number and mass number are the same.
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