Question

 Define atomic number. How it is denoted ?

Answer 1

*The total number of protons in the nucleus of an atom gives us the atomic number of that atom.
*It is represented with the letter ‘Z.’All the atoms of a particular element have the same number of protons, and hence the same atomic number .
*atoms of different elements have different atomic numbers.
*For example, all atoms of Carbon have the atomic number of 6, whereas all atoms of Oxygen have 8 protons in their nucleus.

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Answer 2

Answer:

Number of protons of an atom determines its atomic number. It is denoted by ‘Z’.