Term: Anything with mass and volume.

Term: The amount of mass per unit of volume.

Term: Amount of atoms in an object.

Term: Amount of space something takes up.

Term: Description of matter that describes the sample's ability to participate in a chemical reaction (ex. flammability).

Term: Description of matter that describes a sample of matter based on its color, size, shape, texture, state of matter, etc.

Term: Action of a sample of matter that results in the creation of a new substance as evidenced by new identifying properties.

Term: Action of a sample of matter that is most likely reversible and does not change any of the identifying properties of the sample.

Term: The ability of a sample of matter to be flattened into sheets.

Term: The inability of a sample of matter to flow (resistance to flow); this characteristic is dependent on its thickness.

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Term: Change of a sample of matter, from state of matter to another state of matter (ex. solid to liquid).

Term: Two or more different elements (atoms) chemically combined.

Term: Recipe of element symbols and subscripts that represent what's in a molecule or a compound.

All Element Symbols start with a lower-case letter.

Subscripts (the lowered number in a chemical formula) indicates how many of the Element in front of it is present in the chemical formula.

One capital letter in symbol means there is only one kind of element present.

Term: Smallest particle that makes up all matter.

Term: The next level down from a compound. Compounds are made of these and these are made of atoms.

Term: Represents an element bonded to itself. Example: H₂