Which of the following statements about matter is false? a.) Atoms are the smallest units of matter that maintain their chemical identity.
b.) Heterogeneous mixtures are not uniform throughout.
c.) Homogeneous mixtures cannot be separated by physical means.
d.) A compound is a pure substance composed of two or more chemically bonded ator

Heterogeneous mixtures are not uniform throughout.

Explanation:

Heterogeneous mixtures are not uniform throughout.

a boiling water reactor does not boil the water. a pressurized water reactor boils the water faster. a pressurized water reactor is heated directly by the core. a pressurized water reactor does not use fission.

explanation: no but i do not usually comment