Question

differentiate between atomic number and mass number​

Answer 1

Answer:

atomic number is the number of protons or electrons in an atom.

Mass number is the total number of protons and neutrons inan atom.

Explanation:

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Answer 2

Answer : Atomic number is the weight of the nucleus of an atom. Atomic number is written on the upper left hand corner of an elemental expression. Atomic number is easier to use for general purpose.

Atomic mass number is the average weight of an element form. Atomic mass number is not symbolized as such. The atomic mass number is helpful when performing specific calculations.