PLZ HELP According to the atomic model Which particles are found In the same part of the atom a. protons electrons neutrons
B. protons and neutrons
C. protons and ​electrons
D. electrons and neutrons​

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?