the basic difference distinguishing single, double, and triple bonds, chemistry homework help

What is the basic difference distinguishing single, double, and triple bonds?

A single bond _________is shared pair(s) of electrons between two atoms, whereas double and triple bonds result from the sharing of and pair(s), respectively.

Referring only to a periodic table, give the number of covalent bonds expected for each of these representative elements.

(a)Te

(b)He

(c)As

(d)Cl

(e)C