The sum of the masses of protons and neutrons present in the nucleus is
Mass
Charge
Density
Valency
Maximum number of electrons that can be accommodated in the k shell is
16
18
8
2
The total number of protons present in the nucleus of an atom is defined as
Atomic number
Mass number
Reactivity
An atom contains 14 protons and 14 neutrons, its atomic number is
14
28
20
15
The orbits or shells are also known as
Energy levels
Orbitals
Ways
Paths
The electronic configuration of an atom is 2,8,2. Then the atomic number is
10
12
24
The electrons present in the outermost shell of an atom are known as the
Total electrons
Valence electrons
Reactive electrons
An outermost shell, which had eight electrons was said to posses an
Doublet
Triplet
Quartet
Octet
The only one element does not contain neutron is
Chlorine
Oxygen
Hydrogen
Carbon
The sum of the total number of protons and neutrons present in the nucleus of an atom is defined as
