Home Chemistry Structure of Atom Atomic Number, Mass Number, Atomic Species If the atomic weight of an element is 23 tim…
Chemistry Structure of Atom Atomic Number, Mass Number, Atomic Species Single Correct MCQ
Published on: August 14, 2026

If the atomic weight of an element is 23 times that of the lightest element and it has 11 protons, then it contains

A
11 protons, 23 neutrons, 11 electrons
B
11 protons, 11 neutrons, 11 electrons
C
11 protons, 12 neutrons, 11 electrons
D
11 protons, 11 neutrons, 23 electrons

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Text Solution

Verified by Experts
The correct answer is:
C

Number of electron number of proton
Hence,
number of electrons
and number of protons
The lightest element is hydrogen which has atomic weight 1.
Thus, an atomic weight of the element will be 23.
number of neutron mass number - atomic number

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