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
When XA>>XB, A–B bond is
Covalent
Non-polar covalent
Ionic
Metallic
Which among the following has the highest ionization potential?
F
C
Br
Ne
Ionization energy is
directly proportional to size of atom
directly proportional to nuclear charge
increase with less stable electronic configuration
none of these
Among the following which has the maximum ionisation energy
Alkali elements
Alkaline elements
Halogens
Noble gases
The value of C-C distance found experimentally in a saturated hydrocarbon is
1.34Å
1.36Å
1.54Å
1.56Å
On moving down the group, the radius of an ion
Decreases
Increases
No change
None of these
Electronegativity of an atom is
Directly proportional to its nuclear charge
directly proportional to its atomic radii
inversely proportional to its nuclear charge
independent
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