Which method suggested Electronegativity =
Pauling’s scale
Sanderson’s scale
Alfred and Rochow’s scale
Mulliken’s scale
Ionization energy is measured in
eV/atom
kcal/mole
kJ/mole
all of the above
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
The bond distance of H-H bond is
1.44 Å
1.98 Å
0.74 Å
2.28 Å
The value of C-C distance found experimentally in a saturated hydrocarbon
1.34Å
1.36Å
1.54Å
1.56Å
Electron affinity is expressed in
kJ
J
kJ mol
kJ mol-1
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
