part one

Question 1

matter

Answer 1

is anything that has mass and takes up space.

Question 2

Mixture

Answer 2

is made of two or more substances-
elements, compounds, or both-that are together in the same
place but are not chemically combined.

Question 3

Physical Property

Answer 3

is a
characteristic of a pure substance that can be observed without
changing it into another substance.

Question 4

Homogeneous Mixture

Answer 4

are so evenly mixed that you can’t see the different
parts.

Question 5

Chemical Property

Answer 5

characteristic of a pure substance that describes its ability to
change into different substances.

Question 6

Heterogeneous Mixture

Answer 6

you can see the different parts.

Question 7

Atom

Answer 7

is the basic particle from which all elements are made.

Question 8

Solution

Answer 8

is an example of a homogeneous mixture.

Question 9

Element

Answer 9

is a pure substance that cannot be broken down into any other sub-
stances by chemical or physical means.

Question 10

Chemistry

Question 11

Molecule

Answer 11

groups of two or more atoms held together by chemical bonds.

Question 12

Chemical Bond

Answer 12

which is a force of attraction
between two atoms.

Question 13

Chemical Formula

Answer 13

which shows the elements in the compound and the ratio of atoms.

Question 14

Compound

Answer 14

is a pure substance made of two or more elements chemically com-
bined in a set ratio.