Potassium and iodine have formed a bond. prior to this the potassium gave up an electron. it became a positive ion neutral atom negative ion shared ion

A. a positive ion bond

Ok so co(g) is not pronoused that. the only clue is that youpronouse it the oppisote way. 

Polyethylene is a strong synthetic polymer that can be used to make toys and bottles. polyethylene is a plastic material called thermoplastic. one very useful property of thermoplastic is that when it is heated it turns into liquid, which can be molded into desired shape and size. also the material do not dissolve at room temperature.