What is the full form of alcl3

Consider the elements bromine and chlorine; which elements has a larger ionic radius ?

Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u.s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?

Once similarity and one difference between a mixture of elements and a mixture of compounds