Class 9

STRUCTURE OF THE ATOM question bank (Science)

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Q1.

If an atom contains one electron and one proton,will it carry any charge or not?

(A)
Yes,it will carry a positive charge.
(B)
Yes,it will carry a negative charge.
(C)
No,it will be neutral.
(D)
It depends on the element.
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Q2.

What do you think would be the observation if the $\alpha$-particle scattering experiment is carried out using a foil of a metal other than gold?

(A)
The results would be completely different.
(B)
There would be no change in the observations if the foil is as thin as the gold foil.
(C)
The $\alpha$-particles would pass through without any deflection.
(D)
The $\alpha$-particles would be absorbed by the metal.
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