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