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Complete the following table.
| Atomic number | Mass number | Number of neutrons | Number of protons | Number of Electrons | Name of the Atomic species |
| 9 | - | 10 | - | - | - |
| 16 | 32 | - | - | - | Sulphur |
| - | 24 | - | 12 | - | - |
| - | 2 | - | 1 | - | - |
| - | 1 | 0 | 1 | 0 | - |
Atomic number: The atomic number of an element is the number of protons in the nucleus of its atom. For example., Oxygen has 6 protons hence, atomic no. = 6.
Mass number: The mass number of an atom is equal to the number of protons and neutrons in its nucleus.
Now, Nucleons = number of protons + number of neutrons
Example: Protons + Neutrons = Nucleus = Mass number 6 + 6 = 12.
| Atomic number | Mass number | Number of neutrons | Number of protons | Number of Electrons | Name of the Atomic species |
| 9 | 19 | 10 | 9 | 9 | Fluorine |
| 16 | 32 | 16 | 16 | 16 | Sulphur |
| 12 | 24 | 12 | 12 | 12 | Magnesium |
| 1 | 2 | 1 | 1 | 1 | Hydrogen Deuterium |
| 1 | 1 | 0 | 1 | 0 | Hydrogen |
Updated on: 14-Mar-2023
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