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Periodic Classification of Elements and Periodicity - 11
1.
In Mendeleeves table elements B,Al, Sc, Y are placed in the same group.
a) False
b) True
2.
Positive ions are usually smaller than their parent atoms.
a) False
b) True
3.
Ionization energies increases along a period and decreases down the group.
a) True
b) False
4.
Electron affinities generally decreases with increasing atomic number within a period.
a) True
b) False
5.
Metallic character of elements increases down the group and decreases along a period.
a) False
b) True
6.
The oxidation state of a typical element is directly or indirectly related to the group number to which the elements belongs in the periodic table.
a) False
b) True
7.
Metallic Oxides are acidic in character.
a) True
b) False
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