First ionization energy of strontium is…….kj/mol.
a) 899
b) 738
c) 590
d) 549
The second ionization energy of strontium is………kj/mol.
a) 1757.1
b) 1450.7
c) 1145
d) 1064.2
The second ionization energy of barium is………kj/mol.
a) 1757.1
b) 1450.7
c) 1145
d) 965.1
The atomic radius of beryllium is …….Å.
a) 1.12
b) 1.60
c) 1.97
d) 2.15
The atomic radius of magnesium is …….Å.
a) 1.12
b) 1.60
c) 1.97
d) 2.15
The atomic radius of calcium is …….Å.
a) 1.12
b) 1.60
c) 1.97
d) 2.15
