Chemistry
Which sub-atomic particle was discovered by
(a) Thomson
(b) Goldstein
(c) Chadwick.
Atomic Structure
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Answer
(a) J. J. Thomson — Electrons
(b) E.Goldstein — Protons
(c) James Chadwick — Neutrons
Answered By
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Name the sub-atomic particle whose charge is
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(b) -1
(c) 0.
(a) Name an element which does not contain neutron.
(b) If an atom contains one electron and one proton, will it carry any charge or not?
On the basis of Thomson's model of an atom, explain how an atom as a whole is neutral.
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(b) What do you think would be the observation of α-particle scattering experiment if carried out on
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(ii) light nuclei like lithium.