Asap*** more particles in a given space will increase the number of collisions and therefore increase the reaction rate. this explains how which of the following factors affects reaction rates? a. temperature b. surface area c. pressure d. concentration

What is the volume of the fluid in the graduated cylinder with accuracy and measured to the correct degree of precision? 41.2 ml 42.0 ml 41.23 ml 41.89 ml

Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.

Compare and contrast physical changes with chemical changes.