Rutherford’s alpha-particle scattering e...

Rutherford’s alpha-particle scattering experiment was responsible for the discovery of

A

electrons

B

protons

C

nucleus

D

neutrons

Text Solution

Verified by Experts

The correct Answer is:

c

The most important finding of Rutherford’s experiment is discovery of nucleus.

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Rutherford's alpha-particle scattering experiment discovered

Fill in the blanks in the following statements. (a) Rutherford's alpha -particle scattering experiment lead to the discovery of the …….. . (b) Isotopes have same……… but different……. . (c) Neon and chlorine have atomic numbers 10 and 17 respectively. Their valencies will be...... and........ respectively. (d) The electronic configuration of silicon is .......... and that of sulphur is........ .

Knowledge Check

Assertion : In Rutherford's alpha -particle scattering experiment, most of the alpha -particles were deflected by nearly 180^(@) . Reason : The positive charge of the atom is spread throughout the atom that repelled and deflected the positively charged alpha -particles.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

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