First increases than decreases
First decreases than increases
O < N < F
N < F < O
O < F < N
F < O < N
A & B
B & C
C & A
Non of the above
Number of shells in the atom
Tendency to get reduced
All the metals are good conductor of electricity.
All the metals are good conductor of heat
All the metals form positive ions
All the metals form acidic oxides
Properties of there compound
All of the above
The nature of its oxides
The charge on its ions
The formula of its oxide
Its number of isotopes
Both b and c
I.E depends upon all mentioned option and nature of orbital
The atoms have the same number of occupied electron shells.
They have a similar configuration of outer-shell electrons.
Each element in the group has one more proton than the previous element.
The atoms have a similar radius.
Its is a gas at room temperature and pressure.
It will not react with oxygen.
It is a metal.
It has six valence electrons in the third shell.
No. of occupied electron shell.
2 and 3 only
1,2 and 3
1 and 3 only
1 and 2 only
Strong reducing agent
Weak reducing agent
Strong oxidising agent
Weak oxidising agent.
The higher the first ionization energy, the higher the reactivity of the metal.
The lower the first ionization energy, the higher the reactivity of the metal.
The lower the first ionization energy, the lower the reactivity of the metal.
The reactivity of a metal is not related to its first ionization energy.