Quiz 1

Question 1

What is matter?

Answer 1

Substance with mass & volume

Question 2

What is an atom?

Answer 2

Basic unit of matter

Question 3

What is a molecule?

Answer 3

Anything with more then one atom joined together by bonds

Question 4

What is an element?

Answer 4

A type of substance with atoms or molecules that are completely pure ( of one kind )

Question 5

What is a compound?

Answer 5

A specific type of molecule that is formed with at least two elements

Question 6

Is solid compressible?

Answer 6

No

Question 7

Does solid take the shape of container?

Answer 7

No

Question 8

How does solids move?

Answer 8

Vibration

Question 9

Is liquid compressible?

Answer 9

No

Question 10

Does liquid take shape of its container?

Answer 10

Yes

Question 11

How does liquid move?

Answer 11

Free movement with limits

Question 12

Is gas compressible?

Answer 12

Yes

Question 13

Does gas take shape of containers?

Answer 13

Yes

Question 14

How does gas move?

Answer 14

Completely free

Question 15

Gas to solid

Answer 15

Deposition

Question 16

Solid to gas

Answer 16

Sublimation

Question 17

Gas to liquid

Answer 17

Condensation

Question 18

Liquid to gas

Answer 18

Boiling

Question 19

Liquid to solid

Answer 19

Freezing

Question 20

Solid to liquid

Answer 20

Melting

Question 21

Plasma

Answer 21

Highly charged particles with very high kinetic energy

Question 22

Bose Einstein Condensate (BEC)

Answer 22

Particles with almost no kinetic energy ( found in 1995 )

Question 23

Physical change

Answer 23

No bonds being broken, some properties of a material are changed but the composition of the material stays the same

Question 24

Chemical change

Answer 24

The composition of a material changes, bonds are broken/form, new composition and ratio of chemicals

Question 25

Physical properties

Answer 25

Can be observed or measured without changing the compostion of the substance

Question 26

Chemical properties

Answer 26

A property we observe but changing the compostion of the substance

Question 27

Name 5 physical properties

Answer 27

``` Smell Freezing point Melting point Magnetism Electric conductivity Color Texture ```

Question 28

Name 5 chemical properties

Answer 28

``` Flammability Reactivity Stability Radioactivity Toxicity ```

Question 29

Mixture

Answer 29

Two or more substances together

Question 30

Homogenous= solution is what

Answer 30

Smallest particles of a mixture and uniformly mixed

Question 31

Heterogenous mixtures= collids and suspensions

Answer 31

Medium to large particles aNd uneven mixture

Question 32

What is chemistry?

Answer 32

Study of matter and its interactions with the world