The number of protons in an atom of an element is known as mass number.

True

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False

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Solution

The correct option is B False
The number of protons in an atom of an element is unique to that particular element, and this number is called atomic number.
Mass number is the the total number of protons and neutrons in the nucleus of that atom.

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Similar questions

Consider the following statements:

1. The number of protons in the nucleus of an atom of a given element is called the atomic number of that element.

2. Mass number of an atom is defined as the sum of number of protons and neutrons present in the nucleus of an atom.

3. Atoms of an element that have the same atomic number (Z) but different mass number (A) are called isotopes.

Which of the above statements is incorrectly stated?

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