An atom 1. Does not have enough mass to from matter
2. Doesn't take up space
3. is made of compounds
4. is the smallest particle in all mater

Reaction rate depends on how many molecules are coming into contact with each other with enough energy to react. increasing the temperature of the reactants will increase -

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5