The respective atomic number, mass number, protons, electrons and neutrons of the following atoms are as follows:
- Na - 11, 23, 11, 11, 12
- S - 16, 32, 16, 16, 16
- Ag (silver) - 47, 108, 47, 47, 61
- Au (gold) - 79, 197, 79, 79, 118
What is atomic number?
The atomic number of an element is the number of protons in the atom of that element. In a neutral atom, the number of protons is same as the number of electrons.
However, the mass number is the sum of the number of protons and neutrons in the atom.
This means that we can get the number of neutrons in an atom of an element by subtracting the number of protons/atomic number from the mass number.
Therefore, based on the above explanation, the respective atomic number, mass number, protons, electrons and neutrons of the following atoms are as follows:
- Na - 11, 23, 11, 11, 12
- S - 16, 32, 16, 16, 16
- Ag (silver) - 47, 108, 47, 47, 61
- Au (gold) - 79, 197, 79, 79, 118
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