Classifying Matter

Question 1

_____ fired alpha particles at a sheet of gold foil. Most went through with little deflection..

Accepted Answer

Mr. Rutherford

Question 2

In a solid, the particles

Accepted Answer

vibrate about fixed positions

Question 3

A compound is represented by its ________.

Accepted Answer

chemical formula

Question 4

The nucleus of a Carbon atom

Accepted Answer

consists of protons and neutrons

Question 5

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

Accepted Answer

An element

Question 6

Air is an example of?

Accepted Answer

A homogenous mixture

Question 7

The following image is an example of?

Accepted Answer

A heterogeneous mixture

Question 8

Which of the following is an example of an element?

Accepted Answer

A and B

Question 9

Condensation occurs when

Accepted Answer

A gas changes to a liquid

Question 10

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

Accepted Answer

A mixture

Question 11

Most materials we use and encounter daily are ________.

Accepted Answer

Mixtures

Question 12

Oil and water in a glass is an example of?

Accepted Answer

A heterogeneous mixture

Question 13

Ms. McManus is

Accepted Answer

a mixture

Question 14

Which of the following is an example of a compound?

Accepted Answer

C

Question 15

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

Accepted Answer

homogenous

Question 16

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

Accepted Answer

compounds

Question 17

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

Accepted Answer

heterogeneous

Question 18

Table salt is an example of?

Accepted Answer

A compound

Question 19

The kinetic theory states that matter

Accepted Answer

is made up of particles that are in constant random motion

Question 20

The following image is an example of

Accepted Answer

An element

Question 21

Diffusion is a physical process that refers to the net movement of particles from

Accepted Answer

a region of high concentration to one of lower concentration

Question 22

Sea water is an example of?

Accepted Answer

A homogenous mixture

Question 23

_______ can be separated by physical means.

Accepted Answer

A mixture

Question 24

The process by which water diffuses across a membrane is called

Accepted Answer

Osmosis

Question 25

An atom consists mostly of

Accepted Answer

empty space

Question 26

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

Accepted Answer

Elements and compounds

Question 27

What is the difference between an element and a compound?

Accepted Answer

Compounds are made of more than one type of atom.

Question 28

The diameter of an atom is approximately equal to

Accepted Answer

1 × 10−10 metres

Classifying Matter

Questions 28

Classifying Matter

Questions 28