The radius of a aluminum atom is 143 pm. how many aluminum atoms would have to be laid side by side to span a distance of 2.36 mm?

In the lab, ammonia was mixed with water to form ammonium hydroxide. what is/are the reactant(s)? o water and ammonia o ammonia o ammonium hydroxide need

What produces wave a)sound b) heats c)transfer of energy d)vibrations

The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride