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By Chemistry Mcqs No Comments

Nucleus of an atom was discovered by___________?

A. Goldstein
B. James Chadwick
C. J J Thomson
D. Rutherford

Submitted by: Aamir khan Hullio

Ernest Rutherford discovered the nucleus of an atom in 1911:

Ernest Rutherford
Known for:
Discovering the nucleus of the atom, discovering alpha and beta rays, and proposing the laws of radioactive decay
Experiment
Shot alpha particles at a sheet of gold foil, and noticed that most went through, but some bounced
Discovery:
The atom consists mostly of empty space, with its mass concentrated in a central positively charged nucleus
Rutherford’s discovery was based on the observation that most alpha particles passed straight through the gold foil, with very few particles suffering deflection.
The term “nucleus” comes from the Latin word nucleus, which is a diminutive of nux (“nut”). In 1844, Michael Faraday used the term to refer to the “central point of an atom”.

Related Mcqs:

  1. In a fission nuclear reaction , a heavy nucleus breaks up into smaller nuclei whereas in another nuclear reaction two or more than two possibly nuclei are fused to form a heavy nucleus This nuclear reaction is called ?

    A. Chemical Reaction
    B. Nuclear reaction
    C. Fission nuclear reaction
    D. Fusion nuclear reaction
    E. None of these

  2. What has no charge, and is one of the fundamental particles making up an atom’s nucleus?

    A. Electron
    B. Neutron
    C. Proton
    D. All of Above

    Submitted by: Ashfaque Ali Khoso

  3. The nucleus of an atom of every element will always contain____________________?

    A. neutrons
    B. protons and electrons
    C. protons
    D. protons and neutrons

  4. 2nd orbit is ___________ away from nucleus of H-atom as compared to 1st orbit is ?

    A. 2-times
    B. 3-times
    C. 4-times
    D. 6 times

  5. The protons and neutrons are found in the center of the atom, which is called the _________of the atom?

    A. Nucleus
    B. Headquarters
    C. Hub
    D. None of These

  6. Diesel engine was discovered by___________?

    A. Paul Muller
    B. Faraday
    C. Waldeyer
    D. Rudolf Diesel

    Submitted by: Shahid Sargarh

  7. The Saturn rings discovered by___________?

    A. Newton
    B. Robert Brown
    C. Galileo
    D. None of these

    Submitted by: Noor Ahmed

  8. What is the name of newsly discovered galaxy which may be the earliest and most distant galaxy ever discovered in April 2022?

    A. HD1
    B. GN-z11
    C. Milky way
    D. None of these

    Submitted by: adeel2550

  9. Alpha (α) particles are helium (He) nucleus with a charge of __________ ?

    A. e
    B. 2e
    C. 3e
    D. 4e

    Submitted by: Rashid Mehmood

  10. A helium nucleus comprising of two protons and two neutrons with a charge of 2e is _________ ?

    A. Beta particle
    B. Gamma particle
    C. Alpha particle
    D. Negative particle

    Submitted by: Rashid Mehmood

The correct answer to the question: "Nucleus of an atom was discovered by___________?" is "Rutherford".

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