An isotope has an atomic number of 15 and mass number of 31..the proton it contain is?

Question: An isotope has an atomic number of 15 and mass number of 31..the proton it contain is?

The atomic number of an element represents the number of protons in the nucleus of its atom. In this case, the isotope has an atomic number of 15, which means it has 15 protons in its nucleus.

The mass number of an isotope represents the total number of protons and neutrons in its nucleus. In this case, the isotope has a mass number of 31, which means the total number of protons and neutrons in its nucleus is 31.

To find the number of neutrons, we can subtract the atomic number (number of protons) from the mass number.

So,

Number of neutrons = Mass number - Atomic number

= 31 - 15

= 16

Therefore, the isotope with an atomic number of 15 and mass number of 31 has 15 protons and 16 neutrons in its nucleus.

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