What would be the mass, in grams, of 3.50 x 1025 molecules of chlorine?

Afamily is one another name for a group on the table of elements.

Connect the whole numbers on the periodic table to indicate what they represent?

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?