Unit 1-Concept 3: Matter

Question 1

Chemistry

Answer 1

The study of matter

Question 2

Matter

Answer 2

Anything that has mass or volume

Question 3

Mass

Answer 3

A measure of the amount of matter

Question 4

Volume

Answer 4

A measure of how much space something takes up

Question 5

Atoms

Answer 5

The building blocks of matter

Question 6

Atom

Answer 6

Smallest unit of an element that maintains the identity of an element

Question 7

Element

Answer 7

A pure substance that cannot be broken down into anything simpler or more stable
On the periodic table

Question 8

Compound

Answer 8

A pure substance that can be broken down into simple and more stable substances
Chemically combined elements
Can be chemically broken down into simpler substances

Question 9

Substance:

Answer 9

Means pure
Fixed composition throughout and same properties throughout
Ex: He, 02,

Question 10

Mixture

Answer 10

Means combination
Variable composition throughout and each component retains its unique properties
Mixtures can be seperated into substances
Ex: Saltwater, lemonade, blood, air

Question 11

Homogeneous mixture

Answer 11

Even distribution/same
Appears blended
Can be physically broken down into different components
Solutions, aqeuous solutions and alloys

Question 12

Solutions

Answer 12

one substance (solute) is dissolved into another (solvent)

Question 13

Aqueous solution

Answer 13

When the solute is dissolved into water

Question 14

Alloy

Answer 14

a solution of metals

Question 15

Heterogeneous mixture

Answer 15

Uneven distribution/different
Can be physically broken down into different components
Components can often be seen