Given the mass number and number of electrons of a neutral atom as 24 and 11 respectively. Find the name of isotopes, atomic number, number of protons, and number of neutrons.

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Solution

Since the number of electrons is 11, the atom will have 11 protons as well.
Atomic number= number of protons = 11.
Element with atomic number is sodium(Na).
Given mass number = 24; number of neutrons = mass number - atomic number = 24-11 = 13.
Hence the element is sodium, with the number of protons = 11, number of neutrons = 13.

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