English, asked by ashoksalave2020, 7 months ago

what io the formula for a mass number of on atom

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Answered by har2000shita

0

Answer:

The mass number (represented by the letter A) is defined as the total number of protons and neutrons in an atom. Consider the table below, which shows data from the first six elements of the periodic table. Consider the element helium. Its atomic number is 2, so it has two protons in its nucleus.

Explanation:

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Answered by 143ashishsingh143

0

Answer:

The mass number (represented by the letter

A) is defined as the total number of protons and neutrons in an atom.Consider the table below,which shows data from the first six elements of the periodic table.Consider the element helium.It's atomic number is 2,it has two protons in its nucleus.

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