GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Chadwick
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Thomson
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Rutherford
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Bohr
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Detailed explanation-1: -In 1932, however, James Chadwick proved that it consisted of a neutral particle with about the same mass as a proton. Ernest Rutherford had earlier proposed that such a particle might exist in atomic nuclei. Its existence now proven, it was called a “neutron”.
Detailed explanation-2: -Answer and Explanation: Sir James Chadwick discovered the neutron using Lord Ernest Rutherford’s experiment on subatomic particles.
Detailed explanation-3: -Chadwick was convinced that alpha particles did not have enough energy to produce such powerful gamma-rays. He performed the beryllium bombardment experiments himself and interpreted that radiation as being composed of particles of mass approximately equal to that of the proton but without electrical charge-neutrons.