Pick the correct statement
Carbon having more nuclear charge than boron
The size of carbon atom is larger than boron
Carbon forms electron deficient compounds
Carbon forms ionic compounds
Atomic radii increases on moving down a group due to
increase in nuclear charge
Additive electrons added to the same electronic level
introduction of extra energy shells
additive electrons in outermost shell.
Among the following which has higher electron affinity value
Fluorine
Chlorine
Bromine
Iodine
Noble gases have _____electron affinity.
High
Low
Zero
Very low
The order of ionization energy
s < p < d < f
s > p > d > f
s > d > p > f
s < d < p < f
Among the following which has the maximum ionisation energy
Alkali elements
Alkaline elements
Halogens
Noble gases
On moving down the group, the radius of an ion
Decreases
Increases
No change
None of these
When XA>>XB, A–B bond is
Covalent
Non-polar covalent
Ionic
Metallic
Across the period, electron affinity
decreases
increases
decrease and then increases
increase and then decreases
The bond length of Cl2 molecule is
0.74
1.44
1.98
2.28
