Define atomic number. How is it denoted? Give two examples of atomic numbers.

Asked by Topperlearning User | 13th May, 2014, 03:03: PM

Expert Answer:

Atomic number is defined as the total number of protons present in the nucleus of an atom. It is denoted by Z.
For example, for Hydrogen, Z = 1, because in hydrogen atom, only one proton is present in the nucleus.

Similarly, for Carbon, Z = 6.

Answered by  | 13th May, 2014, 05:03: PM