Delmar's Unit 11

Question 1

Electrical conduction in a liquid is caused by what?

Answer 1

movement of charged atoms called ions

Question 2

Pure water is an insulator and becomes a conductor when what is added?

Answer 2

an acid, an alkali, or a metallic salt

Question 3

Solutions of acids, alkalies, and metallic salts are referred to as what?

Answer 3

electrolytes

Question 4

What is the process of depositing the atoms of one type of metal onto another called?

Answer 4

electroplating

Question 5

What is the negative terminal of a device is called?

Answer 5

the cathode

Question 6

What is the positive terminal of a device is called?

Answer 6

the anode

Question 7

What is the process of separating elements electrically called?

Answer 7

electrolysis

Question 8

Conduction through a gas depends on what?

Answer 8

the ionization of gas molecules

Question 9

What is the amount of voltage required to cause ionization of a gas is called?

Answer 9

ionization potential

Question 10

When can a gas be ionized more easily?

Answer 10

at a low pressure

Question 11

What is the most important factor in the ionization of a gas?

Answer 11

electron impact