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  4. Atomic Number(Z), Mass number(A), Isotopes and Isobars MCQ - Practice Questions with Answers

Atomic Number(Z), Mass number(A), Isotopes and Isobars MCQ - Practice Questions with Answers

Updated on Sep 25, 2023 25:23 PM

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  • 17 Questions around this concept.

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QuestionEASY

Which of the following atoms/ions contains 9 protons and 9 electrons

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Which of the following atom/ion contains 23 Nucleons (protons and neutrons)

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Which of the following is a pair of Isobars?

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Which of the following pair is of isobars

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The product formed by the reaction of an aldehyde with a primary amine is:

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Nitrobenzene on reaction with conc. HNO3/H2SO4 at 80 - 100°C forms which one of the following products ?

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Concepts Covered - 1

Atomic Number(Z), Mass number(A), Isotopes and Isobars

Atomic number (z) = number of protons in the nucleus of an atom

Mass number (A) = sum of neutrons and protons in the nucleus

Isotopes = Atoms having the same atomic number but a different mass number.

Isobars = Atoms with same mass number but different atomic number

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Atomic Number(Z), Mass number(A), Isotopes and Isobars

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Atomic Number(Z), Mass number(A), Isotopes and Isobars

Chemistry Part I Textbook for Class XI

Page No. : 35

Line : 16

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