[29," Based on the group valency of elements,state the formula of the following,giving "],[" justification for each "],[" (i) Oxides of Group "1" elements."],[" (ii) Halides of the elements of Group "13],[" (iii) Compounds formed when an element of group "2" combines with an element of "],[" group "16]

Based on the group valency of elements state the formula for the following giving justification for each : (i) Oxides of 1^(st) group elements, (ii) Halides of the elements of group 13, and (iii) Compounds formed when an element of group 2 combines with, an element of group 16.

Based on the group valency of elements state the formula for the following giving justification for each : (i) Oxides of 1st group elements, (ii) Halides of the elements of group 13, (iii) Compounds formed when an element of group 2 combines with an element of group 16.

Based on the group valency of elements state the formula for the following giving justification for each : (i) Oxides of 1st group elements, (ii) Halides of the elements of group 13, (iii) Compounds formed when an element of group 2 combines with an element of group 16.

Based on the group valency of elements state the formula for the following giving justification for each: i] Oxides of Ist group elements, ii] Halides of the elements of group 13, and iii] Compounds formed when an element of group 2 combines with elements of group 16 .

Based on the group valency of elements write the molecular formula of the following compounds giving justification for each: (i) Oxide of first group elements. (ii) Halide of the elements of group thirteen, and (iii) Compounds formed when an element, A of group 2 combines with an element, B of group seventeen.

Based on the group valenvy of elements write the molecular formula of the following compounds giving justification for each: (i) Oxide of first group elements. (ii) Halide of the elements of group thirteen, and Compounds formed when an element, A of group 2 combines with an element, B of group seventeen.

Based on the group valency of elements write the molecular formula of the following compounds giving justification for each : Oxide of first group elements.

Oxides of group 13 elements are:

When an element of group 14 is doped with an element of group 15

When an element of group 14 is doped with an element of group 15