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
Which among the following has the highest ionization potential?
F
C
Br
Ne
When XA>>XB, A–B bond is
Covalent
Non-polar covalent
Ionic
Metallic
Noble gases have _____electron affinity.
High
Low
Zero
Very low
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
Across the period, electron affinity
decreases
increases
decrease and then increases
increase and then decreases
Among the following which has higher electron affinity value
Fluorine
Chlorine
Bromine
Iodine
Electron affinity is expressed in
kJ
J
kJ mol
kJ mol-1
The bond length of Cl2 molecule is
0.74
1.44
1.98
2.28
The scale which is based on an empirical relation between the energy of a bond and the electro negativities of bonded atoms is
Pauling scale
Mulliken’s scale
Sanderson’s scale
Alfred and Rochow’s scale