Chapter 2- Introduction to Matter

Question 1

Anything that has mass and takes up space.

Answer 1

Matter

Question 2

The study of the properties of matter and how matter changes.

Answer 2

Chemistry

Question 3

A single kind of matter that is pure, meaning it always has a specific makeup- or composition- and a specific set of properties.

Answer 3

Substance

Question 4

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

Answer 4

Physical Property

Question 5

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

Answer 5

Chemical Property

Question 6

A pure substance that cannot be broken down into any other substances by chemical or physical means.

Answer 6

Element

Question 7

The basic particle from which all elements are made.

Answer 7

Atom

Question 8

A force of attraction between 2 atoms.

Answer 8

Chemical Bond

Question 9

Atoms combine to form larger particles.

Answer 9

Molecules

Question 10

A pure substance made of two or more elements chemically combined in a set ratio.

Answer 10

Compound

Question 11

Shows the elements in the compound and the ratio or atoms.

Answer 11

Chemical Formula

Question 12

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

Answer 12

Mixture

Question 13

You can see the different parts.

Answer 13

Heterogeneous Mixture

Question 14

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

Answer 14

Homogeneous Mixture

Question 15

Well-mixed mixture containing a solvent and at least 1 solute that has the same properties throughout.

Answer 15

Solution

Question 16

A measure of the force of gravity on you.

Answer 16

Weight

Question 17

The measurement of the amount of matter in the object.

Answer 17

Mass

Question 18

Measure the properties of matter.

Answer 18

International System of Units

Question 19

The amount of space that matter occupies.

Answer 19

Volume

Question 20

Relates the mass of a material in a given volume.

Answer 20

Density

Question 21

Any change that alters the form or appearance of matter but does not make any substance in the matter into a different substance.

Answer 21

Physical Change

Question 22

Change in matter that produces one or more new substances.

Answer 22

Chemical Change

Question 23

The fact that matter is not created or destroyed in any chemical or physical change.

Answer 23

Law of Conservation of Mass

Question 24

The ability to do work or cause change.

Answer 24

Energy

Question 25

Measure of the average energy of random motion of particle of matter.

Answer 25

Temperature

Question 26

Total energy of all of the particles in an object.

Answer 26

Thermal Energy

Question 27

A change in which energy is taken in.

Answer 27

Endothermic Change

Question 28

Releases energy.

Answer 28

Exothermic Change

Question 29

Energy of motion in matter.

Answer 29

Kinetic Energy

Question 30

Energy an object has because of its position.

Answer 30

Potential Energy

Question 31

Internal energy stored in the chemical bonds between atoms is a form of potential energy.

Answer 31

Chemical Energy

Question 32

A form of energy that travels through space as waves.

Answer 32

Electromagnetic Energy

Question 33

Energy of electrically charged particles moving rom one place to another.

Answer 33

Electrical Energy

Question 34

Two metal strips that are placed in a solution but don't touch.

Answer 34

Electrades