1.
Maximum number of electrons in a sub-shell of an atom is determined by the following:
2.
Which of the following is not permissible arrangement of electrons in an atom?
3.
In hydrogen atom, energy of first excited state is -3.4 eV. Then, KE of same orbit of hydrogen atom is
4.
Read the question given below
5.
The following quantum numbers are possible for how many orbital(s) n = 3, l = 2, m = + 2?
6.
If uncertainty in position and momentum are equal, then uncertainty in velocity is :
7.
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8.
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9.
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10.
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11.
Read the question given below
12.
The total energy of the electron in the hydrogen atom in the ground state is -13.6 eV. The KE of this electron is :
13.
Read the question given below
14.
Which of the following is isoelectronic?
15.
The orientation of an atomic orbital is governed by
