If the mass number of an element is not given to us,and we have only no of protons , electrons, and atomic number then how can we find the number of neutrons.
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Explanation:
The number of protons in the nucleus of the atom is equal to the atomic number (Z).
The number of electrons in a neutral atom is equal to the number of protons.
The mass number of the atom (M) is equal to the sum of the number of protons and neutrons in the nucleus.
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Answer:
Each atom also has a mass number, denoted by the symbol A. The mass number of an atom is equal to the number of protons plus the number of neutrons that it contains. In other words, the number of neutrons in any atom is its mass number minus its atomic number.
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