Chemistry CP chapter 2 vocab quiz

volume

a measure of the space occupied by the object

mass

the amount of matter that an object contains

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

matter that has a definite shape and volume

liquid

matter that has a definite volume and takes the shape of its container

gas

matter that takes both the shape and volume of its container

vapor

the gaseous state of a substance that is generally a liquid or solid at room temperature

physical change

a change to a material that does not change its composition

extensive property

depends on the amount of matter in a sample

intensive property

depends on the type of matter in a sample

mixture

a physical blend of two or more components

heterogeneous mixture

a mixture that is not uniform in composition

homogeneous mixture

a mixture in which the composition is uniform throughout

solutuion

another name for a homogeneous mixture

phase

any part of a sample with uniform composition and properties

distillation

separation of a liquid by boiling followed by condensation

Filtration

a method for separating a solid from a liquid in a heterogeneous mixture

element

the simplest form of matter that has a unique set of properties

compound

contains 2 or more elements combined chemically

chemical symbol

one or two letters that represent an element

chemical change

a change that produces matter with a different composition than the original matter

chemical reaction

process in which one or more substances change into one or more new substances

reactants

starting substance in a chemical reaction

product

a substance formed in a chemical reaction

chemical property

the ability of a substance to undergo a specific chemical change

precipitate

a solid that forms and settles out of a liquid mixture

Law of Conservation of Mass

mass of product is always equal to the mass of the reactants

periods

horizontal rows

groups

vertical rows

chemical formulas

used to represent compounds

matter

Anything that has mass and takes up space

space

measured by the volume of an object