Electronegativity of an atom is
Directly proportional to its nuclear charge
directly proportional to its atomic radii
inversely proportional to its nuclear charge
independent
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.
The electron affinity of an atom
is directly proportional to its size
is inversely proportional to its size
is independent of its size
none of these
The bond length of Cl2 molecule is
0.74
1.44
1.98
2.28
Across the period, electron affinity
decreases
increases
decrease and then increases
increase and then decreases
Noble gases have _____electron affinity.
High
Low
Zero
Very low
Electron affinity is expressed in
kJ
J
kJ mol
kJ mol-1
The order of ionization energy
s < p < d < f
s > p > d > f
s > d > p > f
s < d < p < f
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
Among the following which has higher electron affinity value
Fluorine
Chlorine
Bromine
Iodine