Ch 8 Vocab Change Of Matter

Question 1

Product

Answer 1

A new substance resulting from chemical change

Question 2

Chemical Reaction

Answer 2

A change or reaction that creates a new kind of matter with different properties

Question 3

Reactivity

Answer 3

The ability of elements to take part in chemical reactions

Question 4

Precipitate

Answer 4

The solid product of a chemical reaction in a solution

Question 5

Metal

Answer 5

A substance that conducts heat and electricity

Question 6

Conductivity

Answer 6

The degree to which heat or electricity flows through

Question 7

Insulator

Answer 7

Something that resist the flow of energy such as heat electricity or sound

Question 8

Superconductor

Answer 8

A material that loses all resistance to electrical flow

Question 9

Malleable

Answer 9

Capable of being rolled or pounded into flat sheets

Question 10

Ductile

Answer 10

Capable of being drawn into white thread

Question 11

Corrosion

Answer 11

The gradual weakening and wearing away of something usually due to a chemical

Question 12

Alloy

Answer 12

A mixture of two or more elements,usually metals

Question 13

Salt

Answer 13

A white substance that found in the sea

Question 14

Acid

Answer 14

A substance that taste sour sharp of biting

Question 15

Indicator

Answer 15

A person or thing that indicates

Question 16

Base

Answer 16

A compound that reacts with an acid to form a salt

Question 17

Neutralization Reation

Answer 17

The reaction that occurs when an acid and a base react to form water and salt

Question 18

Acidity

Answer 18

The strength of an acidic solution

Question 19

Alkalinity

Answer 19

The strength of a base solution

Question 20

Ph scale

Answer 20

The scale that measures the amount of acid or base solution

Question 21

Reactant

Answer 21

An original substance at the beginning of a chemical reaction