Electron affinity depends on
Atomic size
Nuclear charge
Atomic number
Both atomic size and nuclear charge
The element which has greatest difference between first and second ionization energy is _______
Na
Mg
Si
P
Noble gases are group of elements which exhibit very
Minimum electronegativity
Low chemical activity
High chemical activity
High diamagnetic properties
Out of the following the atomic number of the element having highest vapour pressure at room temperature is
Z=25
Z=48
Z=30
Z=80
Out of the following ions the smallest in size is
F-
Na+
N3-
O2-
Out of the following ________ is not isoelectronic
Mg2+
Cl-
In a given period, the alkali metals have _________
Lowest ionization energy
Smallest atomic size
Highest electron affinity
Lowest density
lowest ionisation energy
smallest atomic size
highest electron affinity
lowest density
The Size of I, I+ and I- follow the order __________.
I+> I-> I
I-> I+ >I
I-> I>I+
I+>I>I-
The pair having both members from the same period of the periodic table is
Na,Cl
Na, Ca
Ca,Cl
Cl, Br
