Which of the following would have the highest terminal fall velocity? silt topsoil clay small pebbles

Which description best characterizes the motion of particles in a solid?

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

Which three statements represent the benefits of performing experiments using computer simulations?