The isoelectronic pair is
Cl2O, ICl2-
ICl2-, ClO2
IF2+, I3-
ClO2-, ClF2+
D.
ClO2-, ClF2+
Among all the given options, isoelectronic pair is ClO2-, ClF2+.
Number of electrons in ClO2- = 7 + 6 + 6 + 1 = 20
Number of electrons in ClF2+ = 7 + 7 + 7 - 1 = 20
α-Particles can be detected using
thin aluminium sheet
barium sulphate
zinc sulphide screen
gold foil
How many neutrons are there in nucleus 'X', if it gives 7N14 after two successive - particle emissions ?
7
10
14
09
According to Bohr, the angular momentum of an electron, in any orbit, should be :
h/2
nh/2
h/mv
2/nh
Quantum numbers of an atom can be defined on the basis of :
Hund's rule
Pauli's exclusion principle
Aufbau's principle
Heisenberg's uncertainty principle