Name
Inert gas of third period.

An element belongs to the third period and Group III A (13) of the periodic table. State the name of the element

An element belongs to the third period and Group III A (13) of the periodic table. State the valency

An element belongs to the third period and Group III A (13) of the periodic table. State the number of valence electrons

An element belongs to the third period and Group III A (13) of the periodic table. State if it is a metal or non-metal

a. Name the most metallic element in second period and most non-metallic element. b. The element with (i) largest atomic radius and (ii) smallest atomic radius in third period. c. The element having general electronic configuration ns^(2)np^(4) in fourth period.

The correct order of acidic character of oxides in third period of periodic table is

How many elements can be there in the third period ?

The element with Z = 11 is present in the third period.

Name or state the following with reference to the elements of the first three periods of the periodic table. Noble gas with duplet arrangement of electrons.

All elements in the third period have