Question

Explainthe term 'atomic number' and 'mass number'

Answer 1

Answer:

_____

Explanation:

Neutral atoms of each element contain an equal number of protons and electrons. The number of protons determines an element's atomic number and is used to distinguish one element from another. ... Together, the number of protons and the number of neutrons determine an element's mass number.

Answer 2

Answer:

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, Mass number, in nuclear physics, the sum of the numbers of protons and neutrons present in the nucleus of an atom.

Explanation:

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