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The discovery of neutron is so interesting!

In 1930, Scientists Bothe and Becker made an attempt to bombard Beryllium nucleus with Helium core ie alpha particle. During that collision neutron came out along with Carbon. But they mistook those as intense gamma radiation, because it was electrically neutral. Later in 1932 the same experiment was done by the famous couple, Irene Joliot and her husband Fredrick Joliot. They too got the same neutrons coming out but they too mistook as some other radiations which kick out protons right from the paraffin wax. Actually paraffin wax is having abundant of hydrogen atoms ie protons.

But in the same year, James Chadwick analysed the same experiment and declared those coming out, during the bombardment of Beryllium atom by alpha particle, are nothing but the common constituent of the core of atoms and named as neutrons as they don't have electric charges.

The equation goes like this

4Be9 + 2He4 ----> 6C12 + 0n1

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What scientist confirmed the existence of neutrons?

James Chadwick, a British physicist, confirmed the existence of neutrons in 1932 through his experiments on the interaction of alpha particles with beryllium. Chadwick's discovery of neutrons provided a key piece of evidence for the development of the nuclear model of the atom.


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The English physicist who discovered proof of the existence of neutrons?

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Neutrons are subatomic particles that have been experimentally proven to exist. They were discovered by James Chadwick in 1932, and their existence is central to our understanding of atomic structure and nuclear reactions.


Chadwick's experiment showed streams of what that were unaffected by an electrical field?

neutrons! see: 2nd paragraph Chadwick's experiment to discover the neutronshttp://library.thinkquest.org/C001124/gather/aexp.html


Who was a student of Niels Bohr who discovered neutrons in the nucleus?

James Chadwick was a student of Niels Bohr who discovered neutrons in the nucleus in 1932. By conducting experiments with beryllium, Chadwick was able to prove the existence of neutrons as a neutral subatomic particle.


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What did James Chadwick use to discover neutrons?

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