Chemistry 1 Exam Review
2026 | Comprehensive
Study Guide, Practice
Questions, Answers &
Detailed Exam Prep |
Complete Ethics Study
Guide
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included
, mass the amount of matter in an object
volume the amount of space occupied by an object
extensive property a property that depends on the amount of matter in a sample
intensive property a property that depends on the type of matter in a sample, not the amount of matter
substance Matter that has a uniform and definite composition
physical property a quality or condition of a substance that can be observed or measured without
changing the substance's composition
solid of definite shape and volume
liquid a substance in the fluid state of matter having no fixed shape but a fixed volume
gas the state of matter distinguished from the solid and liquid states by: relatively low
density and viscosity
vapor matter that exists in the gas state but is generally a liquid or solid at room
temperature
Physical change a change from one state (solid or liquid or gas) to another without a change in
chemical composition
mixtures a physical combination of substances that can still be seperated
heterogeneous mixture a mixture in which the composition is not uniform throughout
homogeneous mixture a mixture in which the composition is uniform throughout
solution a homogeneous mixture of two or more substances
2026 | Comprehensive
Study Guide, Practice
Questions, Answers &
Detailed Exam Prep |
Complete Ethics Study
Guide
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included
, mass the amount of matter in an object
volume the amount of space occupied by an object
extensive property a property that depends on the amount of matter in a sample
intensive property a property that depends on the type of matter in a sample, not the amount of matter
substance Matter that has a uniform and definite composition
physical property a quality or condition of a substance that can be observed or measured without
changing the substance's composition
solid of definite shape and volume
liquid a substance in the fluid state of matter having no fixed shape but a fixed volume
gas the state of matter distinguished from the solid and liquid states by: relatively low
density and viscosity
vapor matter that exists in the gas state but is generally a liquid or solid at room
temperature
Physical change a change from one state (solid or liquid or gas) to another without a change in
chemical composition
mixtures a physical combination of substances that can still be seperated
heterogeneous mixture a mixture in which the composition is not uniform throughout
homogeneous mixture a mixture in which the composition is uniform throughout
solution a homogeneous mixture of two or more substances
