Name the element of group `13` which only forms covalent compounds.

Name the element of group 13 which forms only covalent compounds.

Name the element of group 13 which forms only covalent compounds.

Name the first element of group 13.

Name the group-2 metal which forms covalent compounds.

Answer the following : (a) Name of element of group 13 which forms the most stable compound in +1 oxidation state. .

Which element of group 13 forms covalent compounds only

Name an element of group 18 which can form compounds.

Study the following table in which positions of six elements A, B, C, D, E and F are shown as they are in the modern periodic table : On the basis of the above table, answer the following questions : (i) Name the element which forms only covalent compounds. (ii) Name the element which is a metal with valency three. (iii) Name the element which is a non-metal with valency three. (iv) Out of D and E, which is bigger is size and why ? (v) Write the common name for the family to which the elements C and F belong.