Mrs. Bailey - Ch 2. Vocab

anything that has mass and takes up space

a measure of the amount of matter that an object contains

a change that produces matter with a diffrent composition then the original matter.

a change during which some properties of a material change but the composition of the material doesnt change

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

a sunbstance that contains two or more elements chemically combined in a fixed proportion

hard surface ; atoms are tightly packed together.

wet surface: atmons are loose enough to move around

contains no surface: atoms move quickly around in to determined path

a blend of two or more substances that arent chemically combined

mixture uniform in composition

mixture that is not uniform in composition

a substance that is present at the start of a reaction.

a substance produced in a chemical reaction

ability of a substance to undergo a specific chemical change

a quality or condition of a substance that can be observed or measured without changing the substances composition

homogenous mixture

any part of a sample with uniform composition and properties

a solid that forms and settles out of a liquid mixture

a measure of the space occupied by a sample of matter

in any physical change or chemical reaction, mass is conserved