Question

Give two points of difference between: Atomic number –Mass number​

Answer 1

Answer:

1. Atomic number, the number of a chemical element in the periodic system, whereby the elements are arranged in order of increasing number of protons in the nucleus.

2. ... 1.The mass number, also called atomic mass number or nucleon number, is the total number of protons and neutrons in an atomic nucleus.

Answer 2

Answer:

The major difference between atomic number and mass number is that the atomic number states the number of protons present in an atom whereas, the mass number indicates the total of the number of protons and the number neutrons present in an atom

atomic number states the number of protons present in an atom whereas, the mass number indicates the total of the number of protons and the number neutrons present in an atom.