Chemical Terms 1 - Matter and Its Changes

anything that has mass and occupies volume.

• matter

• pure substance

• mixture

• element

• compound

sample of matter with constant composition and distinct chemical properties.

• matter

• pure substance

• mixture

• element

• compound

a substance that cannot be subdivided using chemical means; identified by the number of protons in its atoms.

• matter

• pure substance

• mixture

• element

• compound

chemical species formed when two or more atoms form a chemical bond.

• matter

• pure substance

• mixture

• element

• compound

combination of two or more substances such that each retains its separate chemical identity (e.g., salt and flour).

• matter

• pure substance

• mixture

• element

• compound

state of matter characterized by high degree of organization, with a stable shape and volume.

• solid

• liquid

• gas

• plasma

• aqueous

state of matter characterized by having a definite volume but not a definite shape.

• solid

• liquid

• gas

• plasma

• aqueous

state of matter characterized by having neither a defined shape nor defined volume.

• solid

• liquid

• gas

• plasma

• aqueous

state of matter with no defined shape or volume consisting of ions and electrons.

• solid

• liquid

• gas

• plasma

• aqueous

homogeneous phase of matter (e.g., solid, liquid).

• solution

• colloid

• suspension

• state of matter

• phase change