Classifying Matter: Elements, Compounds, Mixtures

Question 1

Which classification(s) of matter is(are) pure substances?

Accepted Answer

Elements and compounds

Question 2

Colloids are hard to classify with the naked eye because

Accepted Answer

They look homogenous but are actually heterogenous

Question 3

Sea water is an example of?

Accepted Answer

A homogenous mixture

Question 4

In a _______ mixture, each substance can be easily distinguished.

Accepted Answer

heterogeneous

Question 5

A material made of combined substances that each retain their own properties is called?

Accepted Answer

A mixture

Question 6

A suspension is a type of

Accepted Answer

Heterogenous mixture

Question 7

Stainless steel is an example of ________?

Accepted Answer

Homogeneous mixture

Question 8

A colloid is a type of

Accepted Answer

Heterogenous mixture

Question 9

A compound is represented by its ________.

Accepted Answer

chemical formula

Question 10

_______ can be separated by physical means.

Accepted Answer

A mixture

Question 11

The following image is an example of?

Accepted Answer

A heterogeneous mixture

Question 12

In a _______ mixture, the material has the same composition throughout.

Accepted Answer

homogenous

Question 13

Air is an example of?

Accepted Answer

A homogenous mixture

Question 14

The main difference between a solution and a suspension is

Accepted Answer

Solutions stay mixed and suspensions separate over time

Question 15

When two elements combine to form a ________ the properties of the substance always changes

Accepted Answer

compound

Question 16

What is the difference between an element and a compound?

Accepted Answer

Compounds are made of more than one type of atom.

Question 17

Which of the following is an example of a compound?

Accepted Answer

C

Question 18

Granite rock is an example of?

Accepted Answer

A heterogeneous mixture

Question 19

The following image is an example of?

Accepted Answer

An element

Question 20

Most materials we use and encounter daily are ________.

Accepted Answer

Mixtures

Question 21

Which of the following is an example of an element?

Accepted Answer

A and B

Question 22

Any material consisting of only one type of atom is classified as what?

Accepted Answer

An element

Question 23

When different atoms combine in whole number ratios _______ are formed.

Accepted Answer

compounds

Question 24

A solution is a type of

Accepted Answer

Homogenous mixture

Question 25

Table salt (NaCl) is an example of?

Accepted Answer

A compound

Classifying Matter: Elements, Compounds, Mixtures

Questions 25

Classifying Matter: Elements, Compounds, Mixtures

Questions 25