Chem vocab light study

Soluble

Describes a substance that is capable of dissolving in a solvent.

Miscible

Describes two liquids that are mutually soluble in one another.

Insoluble

Describes a substance that does not dissolve in a solvent.

Immiscible

Describes two liquids that can be mixed together but separate shortly afterward.

Suspension

A mixture containing particles that settle out if left undisturbed.

Colloid

A mixture containing intermediate-sized particles.

Pure substance

A form of matter that contains only one type of element or compound.

Heat

Energy that is in the process of flowing from a warmer object to a cooler object.

Element

A pure substance that cannot be separated into simpler substances by physical or chemical means.

Solid

A form of matter that has a definite shape and a definite volume.

Liquid

A form of matter that flows, has a constant volume, and takes the shape of its container.

Gas

A form of matter that flows to conform to the shape of its container and fills the entire volume of its container.

Plasma

A form of matter that results when gas particles become ionized and break apart into smaller charged particles.

Physical property

A characteristic of matter that can be observed or measured without changing the sample's composition.

Extensive property

A characteristic of matter that depends directly on the amount of substance present.

Intensive property

A characteristic of matter that is independent of the amount of substance present.

Chemical property

The ability or inability of a substance to combine with or transform into one or more other substances.

Chemical change

A process that involves one or more substances transforming into new substances.

Physical change

An alteration of a substance that occurs without changing its chemical composition.

Phase change

A transition of matter from one state to another.