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.
Among the following which has higher electron affinity value
Fluorine
Chlorine
Bromine
Iodine
Across the period, electron affinity
decreases
increases
decrease and then increases
increase and then decreases
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
Among the following which has the maximum ionisation energy
Alkali elements
Alkaline elements
Halogens
Noble gases
Which among the following has the highest ionization potential?
F
C
Br
Ne
Electron affinity is expressed in
kJ
J
kJ mol
kJ mol-1
Ionization energy is
directly proportional to size of atom
directly proportional to nuclear charge
increase with less stable electronic configuration
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
The value of C-C distance found experimentally in a saturated hydrocarbon is
1.34Å
1.36Å
1.54Å
1.56Å
