Calculate the mass of ammonia (NH3) that contains a billion 1.00 × 10 hydrogen atoms. Be sure your answer has a unit symbol if necessary, and round it to 3 significant digits. x10

periodic trends is an atom that gets larger as the number of electronic shells increase, the radius of atoms increases as you go down a certain group in the periodic table of elements. in general, the size of an atom will decrease as you move from left to right of a certain period.

dynamic equilibrium is the answer.

answersilicon (si); oxygen (o);