Q.

Consider the following statements.
I. The energy of electrons in atoms is quantised.
II. The existence of quantised electronic energy levels is a direct result of the wave like properties of electrons.
III. The path of an electron in an atom can never be determined accurately.
The correct statements are

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a

I and II

b

II and III

c

I and III

d

All of these

answer is D.

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Detailed Solution

The energy of electrons in atoms is quantized. The existence of quantized electronic energy levels is a direct results of the wave like properties of electrons. The path of an electron in an atom can never be determined or known accurately.

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