Q 3142801733.     ( 1) The probability of finding an electron is
maximum at certain places in space.
(2) Energy change takes place only during
excitation or decxcitation of electrons.
(3) Electron has both particle and wave nature.
(4) Angular momentum of the electrons revolving
in different elliptical orbits is quantized.

A

1, 2, 3, 4

B

2, 4, 3, 1

C

4, 3, 2, 1

D

2, 3, 1, 4

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