Nuclear Chemistry

Question 0

What is time required for 1/2 of the atoms of a radioisotope to emit radiation and to decay the product?
A. Fission
B. Half life
C. Leukemia

Answer 0

B. Half life

Question 1

What is a form of radiation with fast moving electrons from a decomposing neutron?
A. Beta
B. Half life
C. Alpha

Answer 1

A. Beta

Question 2

What are the penetrating rays and particles emitted by a radioactive source?
A. Gamma
B. Fusion
C. Radiation

Answer 2

C. Radiation

Question 3

What is the form of radiation that consists of helium nuclei that have been emitted from a radioactive source it has a 2+ charge?
A. REM
B. Alpha
C. Fission

Answer 3

B. Alpha

Question 4

What is it when the nuclei of certain isotopes are bombarded with neutrons splitting the nucleus into smaller fragments?
A. Control rods
B. Generator
C. Fission

Answer 4

C. Fission

Question 5

What are pellets of Uranium used to create power for nuclear power plants?
A. Fuel rods
B. Beta
C. Ionizing

Answer 5

A. Fuel rods

Question 6

What are isotopes with an unstable nuclei called?
A. Radioactive decay
B. Nuclear waste
C. Radioactive isotopes

Answer 6

C. Radioactive isotopes

Question 7

What is a way of detecting that uses a phosphorus coated surface to detect radiation and gives off bright flashes of light when struck by ionizing radiation?
A. Fission
B. Scintillation Counter
C. Gamma

Answer 7

B. Scintillation Counter

Question 8

What are the Rods of Cadmium used to absorb neutrons and can speed up or slow down the amount of energy produced?
A. Half life
B. Control Rods
C. Fuel Rods

Answer 8

B. Control Rods

Question 9

What is it called when 2 smaller nuclei fuse to form a larger nucleus?
A. Fusion
B. Fission
C. Half life

Answer 9

A. Fusion

Question 10

What is a way of detecting radiation made of several layers. Of film with a black light proof film encased in a plastic or metal holder?
A. Radiation
B. Beta
C. Film badge

Answer 10

C. Film badge

Question 11

What is the process where uranium gives off invisible rays?
A. Radioactive isotopes
B. Radioactive decay
C. Half life

Answer 11

B. Radioactive decay

Question 12

What is radiation with enough energy to knock off electrons and produce ions?
A. Ionizing
B. REM
C. Nuclear waste

Answer 12

A. Ionizing

Question 13

What is a form of radiation with no mass or no charge?
A. Alpha
B. Beta
C. Gamma

Answer 13

C. Gamma

Question 14

What is radiation measured in?
A. REM
B. Half life
C. Control rods

Answer 14

A. REM

Question 15

What is a gas filled metal tube used to detect radiation because when radiation enters the tube it produces audible clicks?
A. Film badge
B. Geiger Counter
C. Generator

Answer 15

B. Geiger Counter

Question 16

What is a natural radiation that is always present around you?
A. Alpha
B. Beta
C. Background

Answer 16

C. Background

Question 17

What is a form of cancer caused by exposure to high doses of ionizing radiation?
A. Leukemia
B. Radiation
C. Nuclear waste

Answer 17

A. Leukemia

Question 18

What is the part of the nuclear power plant where steamed is changed into energy?
A. Control Rods
B. Generator
C. Background

Answer 18

B. Generator

Question 19

What are the by products of a nuclear power plant?
A. Half life
B. Radioactive decay
C. Nuclear waste

Answer 19

C. Nuclear waste

Question 20

Which of the following is a source of natural radiation?
A. Flying in a plane
B. Radioisotopes from the ground

Answer 20

B. Radioisotopes from the ground

Question 21

What is a safe amount of REM?
A. 5000
B. 0.5

Answer 21

B. 0.5

Question 22

Which of the following CAN NOT be caused by exposure to radiation?
A. High blood pressure
B. Cancer

Answer 22

A. High blood pressure

Question 23

Radioisotopes used to study chemical reactions and molecular structures are known as what?
A. Isotopes
B. Tracers

Answer 23

B. Tracers

Question 24

Which of the following is a form of nuclear radiation? A. Power plants B. Atomic bombs C. All of the above

Answer 24

C. All of the above

Question 25

Which of the following is an example of technology created sources of radiation? A. Isotopes found in food and the environment B. Radiation that is released from fossil fuels and nuclear radiation

Answer 25

B. Radiation that is released from fossil fuels and nuclear radiation

Question 26

A natural from of nuclear fusion is what? A. Hydrogen bombs B. The sun and stars

Answer 26

B. The sun and stars

Question 27

Splitting the nucleus by using neutrons is called what? A. Fission B. Fusion

Answer 27

A. Fission

Question 28

What is one of two ways used to control nuclear fission? A. Chain reactions B. Neutron absorption

Answer 28

B. Neutron absorption

Question 29

DNA can be damaged by low doses of radiation which leads to what? A. Mutations B. Cancer

Answer 29

A. Mutations

Question 30

Which if the following is NOT produced in nuclear fission? A. 3 neutrons B. 2 heavy nuclei

Answer 30

B. 2 heavy nuclei

Question 31

What is the source of energy in nuclear fission? A. Fusing of the nucleus B. Splitting of the nucleus

Answer 31

B. Splitting of the nucleus

Question 32

Which of the following is the hardest to stop? A. Beta B. Gamma

Answer 32

B. Gamma

Question 33

Which produces the most energy? A. Fusion B. Fission

Answer 33

A. Fusion

Question 34

Which of the following is an example of uncontrolled fission? A. Nuclear bombs B. Nuclear power plants

Answer 34

A. Nuclear bombs

Question 35

When Bismuth releases and alpha particle it becomes what particle? 214/83 Bi --> 4/2 He A. 218/85 Ac B. 214/81 Tl

Answer 35

B. 214/81 Tl

Question 36

When the following element emits an alpha particle what will be formed? 235/92 U --> 4/2 He A. 231/90 Th B. 235/90 Th

Answer 36

A. 231/90 Th

Question 37

When silicon undergoes a transformation it will form what particle? 27/14 Si --> 0/-1e A. 27/13 Al B. 27/15 P

Answer 37

B. 27/15 P

Question 38

Know how to calculate the calculate half life's. Sodium has a half life of 15 hours. When given a p sample know how much will be left after a certain amount of time. Be able to also give the length of a half life when given in grams over a period of time.

Answer 38

See Mrs. Krumpelman for help if needed!!!