other govt exam FCI Assistant Grade 3 (AG III) Phase I & II Mock Test General Science Chemistry Classification of Elements and Periodicity in Properties
Ionization energy of elements in periodic table:
1
more negative across period and less negative down the group.
2
decreases across the period from left to right.
3
Increases across the period and decreases going down the group.
4
high at two extreme sides of the periodic table.
5
Other than those given as options