Mass number and atomic number of an atom is given as 131 and 53 respectively. Find the name of isotope, atomic number, and number of neutrons and electrons.

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Solution

Since the atomic number is given as 53, the element is iodine.
The atomic number = Number of protons = 53.
Number of electrons = Number of protons = 53.
Number of neutrons = Mass number - Atomic number = 131-53 = 78.

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Mass number and atomic number of an atom is given as 131 and 53 respectively. Find the name of isotope, atomic number, and number of neutrons and electrons.

Since the atomic number is given as 53, the element is iodine.The atomic number = Number of protons = 53.Number of electrons = Number of protons = 53.Number of neutrons = Mass number - Atomic number = 131-53 = 78.

Since the atomic number is given as 53, the element is iodine.
The atomic number = Number of protons = 53.
Number of electrons = Number of protons = 53.
Number of neutrons = Mass number - Atomic number = 131-53 = 78.