Chemistry Vocabulary | Key Terms &
Definitions Review
Matter - ---✔✔✔ANSWER----Anything that has mass and takes up space.
Substance - ---✔✔✔ANSWER----A single kind of matter that is pure and
has a specific set of properties.
Physical Property - ---✔✔✔ANSWER----A characteristic of a pure
substance that can be observed without changing it into another substance.
Chemical Property - ---✔✔✔ANSWER----A characteristic of a pure
substance that describes its ability to change into different substances.
, Element - ---✔✔✔ANSWER----A pure substance that cannot be broken
down into any other substances by chemical or physical means.
Atom - ---✔✔✔ANSWER----The basic particle from which all elements are
made.
Chemical Bond - ---✔✔✔ANSWER----A force of attraction between two
atoms.
Molecules - ---✔✔✔ANSWER----Groups of two or more atoms held
together by chemical bonds.
Compound - ---✔✔✔ANSWER----A pure substance made of two or more
elements chemically combined in a set ratio.
Chemical Formula - ---✔✔✔ANSWER----Shows the elements in the
compound and the ratio of atoms.
Mixture - ---✔✔✔ANSWER----Made of two or more substances that are
together in the same place but are not chemically combined.
Heterogeneous Mixture - ---✔✔✔ANSWER----A mixture in which pure
substances are unevenly distributed throughout the mixture.
Definitions Review
Matter - ---✔✔✔ANSWER----Anything that has mass and takes up space.
Substance - ---✔✔✔ANSWER----A single kind of matter that is pure and
has a specific set of properties.
Physical Property - ---✔✔✔ANSWER----A characteristic of a pure
substance that can be observed without changing it into another substance.
Chemical Property - ---✔✔✔ANSWER----A characteristic of a pure
substance that describes its ability to change into different substances.
, Element - ---✔✔✔ANSWER----A pure substance that cannot be broken
down into any other substances by chemical or physical means.
Atom - ---✔✔✔ANSWER----The basic particle from which all elements are
made.
Chemical Bond - ---✔✔✔ANSWER----A force of attraction between two
atoms.
Molecules - ---✔✔✔ANSWER----Groups of two or more atoms held
together by chemical bonds.
Compound - ---✔✔✔ANSWER----A pure substance made of two or more
elements chemically combined in a set ratio.
Chemical Formula - ---✔✔✔ANSWER----Shows the elements in the
compound and the ratio of atoms.
Mixture - ---✔✔✔ANSWER----Made of two or more substances that are
together in the same place but are not chemically combined.
Heterogeneous Mixture - ---✔✔✔ANSWER----A mixture in which pure
substances are unevenly distributed throughout the mixture.
