The state of matter with particles that are not attracted or tightly packed and are not arranged in a regular pattern; zoom around to easily change
shape and volume *
a. gas
b. liquid
c. solid

Which statement is the best definition of an atom? a) anything that has mass and occupies space. b) the smallest particle that has the properties of an element. c) a substance that cannot be broken down chemically into simpler substances. eliminate d) the smallest unit of a substance that exhibits all of the properties characteristic of that substance.