The property of alkaline earth metals that increases with their atomic number is
Ionization energy
Electro negativity
Solubility of their sulphates
Solubility of their hydroxides
Metals, non- metals and metalloids are present in
d- block
f- block
s- block
p- block
In a given period, the alkali metals have
lowest ionisation energy
smallest atomic size
highest electron affinity
lowest density
The block and period in the periodic table of the element having the IUPAC symbol Uub is
f- block, 7th period
d- block, 7th period
f- block, 8th period
p- block, 7th period
Al3+has lower ionic radius than Mg2+ because
Al3+ has higher nuclear charge than Mg2+
Mg has less number of neutrons than Al
Al has lower ionization potential than Mg atom
Their electro negativities are different
The pair in which ionisation energy of the first species is less than that of the second is
N,P
N,N-
Be+, Be
S,P
_____ does not have any unit.
Chloride of an element 'A' gives neutral solution in water. in the periodic table, the element 'A' belongs to
First transition series
Fifth group
Third group
First group
Incompletely filled orbitals in representative elements are
d-only
f-only
both d and f
s and p
The elements which form anions most readily are
Alkali metals
Halogens
Oxygen family
Nitrogen group
