| 1.17 | chemical substance | ||
| substance | |||
| Matter of constant composition best characterized by the entities (molecules, formula units, and atoms) it is composed of. | |||
| Note: | Physical quantities such as density, refractive index, electrical conductivity, and melting point characterize a chemical substance. | ||
| 1.17 | chemical substance | ||
| substance | |||
| Matter of constant composition best characterized by the entities (molecules, formula units, and atoms) it is composed of. | |||
| Note: | Physical quantities such as density, refractive index, electrical conductivity, and melting point characterize a chemical substance. | ||