Define atomic number. How is it denoted? Give two examples of atomic numbers.
Asked by Topperlearning User | 13th May, 2014, 03:03: PM
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
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