Chemistry - Chap 4

Question 1

Adhesion

Answer 1

Property of sticking to other substances: a physical property of water

Question 2

Boiling point

Answer 2

Temperature at which a liquid turns to gas

Question 3

Chemical change

Answer 3

Change in matter that results in the formation of a new substance(s)

Question 4

Chemical property

Answer 4

Ability of a substance to change into a new substance(s); e.g., how a substance interacts with other substances such as acids, or how it reacts to heat or light

Question 5

Chemical reaction

Answer 5

Process in which a chemical change occurs; produces a new substance(s)

Question 6

Cohesion

Answer 6

Property of sticking together; a physical property of water

Question 7

Combustibility

Answer 7

Ability of a substance to react quickly with oxygen to produce heat and light

Question 8

Compound

Answer 8

Pure substance made from two or more elements that are combined together chemically

Question 9

Condensation

Answer 9

Change of state from a gas to a liquid

Question 10

Deposition

Answer 10

Change of state from a gas directly into a solid

Question 11

Element

Answer 11

Pure substance that cannot be broken down into a simpler substance

Question 12

Freezing point

Answer 12

Temperature at which a liquid turns into a solid; same temp as the melting point

Question 13

Inert

Answer 13

Does not react easily with other chemicals

Question 14

Mass

Answer 14

Measure of the quantity of matter in an object

Question 15

Matter

Answer 15

Anything that has mass and volume

Question 16

Mechanical mixture

Answer 16

Combination of pure substances in which the different substances are individually visible

Question 17

Melting point

Answer 17

Temperature at which solid turns into a liquid; same temp as the freezing point

Question 18

Particle theory of matter

Answer 18

Theory stating that all matter is composed of very tiny objects called particles; that all particles have spaces between them; that particles of matter are always in motion; that particles in a substance attract each other

Question 19

Physical property

Answer 19

Characteristic of a substance that can be observed or measured

Question 20

Sublimation

Answer 20

Change of state from a solid into a gas