Ch 8 Les 1

Question 1

Product

Answer 1

A new substance resulting from a chemical change.

Question 2

Chemical Reaction

Answer 2

A change or reaction that creates a new kind of matter with different properties from the original matter.

Question 3

Reactivity

Answer 3

The ability of elements to take part in a 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 a substance.

Question 7

Insulator

Answer 7

Something that resistance to energy, such as heat, electricity, or sound.

Question 8

Superconductor

Answer 8

A material that resistance to electrical flow at extremely low temperatures.

Question 9

Malleable

Answer 9

Capable of being rolled or pounded into flat sheets.

Question 10

Ductile

Answer 10

Capable of being drawn into wire or thread.

Question 11

Corrosion

Answer 11

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

Question 12

Alloy

Answer 12

A mixture of two or more elements, usually metals.

Question 13

Salt

Answer 13

A white substance that is found in sea water and in the earth.

Question 14

Acid

Answer 14

A substance that tastes sour, sharp or 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 from a salt.

Question 17

Neutralization Reaction

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.