The valence shell electronic configuration of alkaline earth metals is…….
a) ns1
b) ns2
c) ns2, np1
d) ns2, np5
Alkaline earth
metals have smaller atomic size as compare to alkali metals due to……..
a) less shielding effect
b) more nuclear charge
c) less Ionization Energy
d) all of these
First ionization energy of magnesium is…….kj/mol.
a) 899
b) 738
c) 590
d) 549
The second ionization energy of magnesium is………kj/mol.
a) 1757.1
b) 1450.7
c) 1145
d) 1064.2
First ionization energy of calcium is…….kj/mol.
a) 899
b) 738
c) 590
d) 549
The second ionization energy of calcium is………kj/mol.
a) 1757.1
b) 1450.7
c) 1145
d) 1064.2
