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