Ch 11.1

Question 1

Energy released when atoms are either split (fission) or combined (fusion)

Answer 1

Nuclear Energy

Question 2

The simplest form of matter that retains the characteristics of that element is known as a

Answer 2

Atom

Question 3

What is the all matter made up of and is known as the simplest form of an element that retains the characteristics of the element

Answer 3

Atoms

Question 4

A substance composed of all the same type of atoms are known as

Answer 4

Elements

Question 5

Atoms that have different numbers of neutrons in their nucleus but the same number of protons

Answer 5

Isotopes

Question 6

Atoms that spontaneously emit subatomic particles and/or energy is

Answer 6

radioactive

Question 7

Isotopes that are less stable and spontaneously lose more mass by emitting particles are known to be

Answer 7

Radioactive

Question 8

T/F- the fewer the neutrons the less stable which means they are more radioactive

Answer 8

True

Question 9

Which form of uranium is more reactive and less stable?
Uranium-238
Uranium-235

Answer 9

Uranium-235

Question 10

How is uranium extracted?

Answer 10

Mining

Question 11

A nuclear reaction that occurs when a neutron strikes the nucleus of an atom and breaks it into two or more parts is known as

Answer 11

Nuclear Fission

Question 12

A cylinder that can be added to a fuel assembly to absorb neutrons and slow the fission chain reaction is known as

Answer 12

Control Rods

Question 13

T/F- a uranium ore is more abundant than fossil fuels and produces a more energy-rich fuel than fossil fuels

Answer 13

True

Question 14

T/F- Carbon dioxide is not released when nuclear power is generated

Answer 14

True