Ionization energy is
directly proportional to size of atom
directly proportional to nuclear charge
increase with less stable electronic configuration
none of these
The bond distance of H-H bond is
1.44 Å
1.98 Å
0.74 Å
2.28 Å
Which of the following possess high electron affinity?
Noble gases
Halogens
Metals
Non-metals
Among the following which has the maximum ionisation energy
Alkali elements
Alkaline elements
Across the period, electron affinity
decreases
increases
decrease and then increases
increase and then decreases
The value of C-C distance found experimentally in a saturated hydrocarbon
1.34Å
1.36Å
1.54Å
1.56Å
Pick the correct statement
Carbon having more nuclear charge than boron
The size of carbon atoms is larger than boron
Carbon forms electron deficient compounds
Carbon forms ionic compounds
Noble gases have _____electron affinity
High
Low
Zero
Very low
Atomic radii increases on moving down a group due to
decrease in nuclear charge
increase of metallic character
the addition of new shells in succesive periods
the increase in chemical reactivity
