Maximum number of electrons that can be accommodated in the N shell is
2
18
8
32
By sharing, gaining or losing electrons the atom can achieve
Valency
Octet
Reactivity
Triplet
Which of the following represents the wrong electronic configuration.
2,6,2
2,8,1
2,8,8
2,8,2
An isotope which is used in the treatment of goiter.
Iodine
Cobalt
Chlorine
Uranium
The number of electrons gained, lost or shared so as to make the octet of electrons in the outermost shell, gives us directly the
Mass
Density
Viscosity
An atom contains 14 protons and 14 neutrons, its atomic number is
14
28
20
15
The atomic number and mass number of an atom is 9 and 18 respectively, the number of protons present in that atom is
9
10
Maximum number of electrons that can be accommodated in the M shell is
36
The only one element does not contain neutron is
Oxygen
Hydrogen
Carbon
Electrons are revolving around the nucleus in a well defined paths known as
Orbits
Orbitals
Ways
Probability
