Nuclear Chemistry Flashcards
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
B. Half life
What is a form of radiation with fast moving electrons from a decomposing neutron?
A. Beta
B. Half life
C. Alpha
A. Beta
What are the penetrating rays and particles emitted by a radioactive source?
A. Gamma
B. Fusion
C. Radiation
C. Radiation
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
B. Alpha
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
C. Fission
What are pellets of Uranium used to create power for nuclear power plants?
A. Fuel rods
B. Beta
C. Ionizing
A. Fuel rods
What are isotopes with an unstable nuclei called?
A. Radioactive decay
B. Nuclear waste
C. Radioactive isotopes
C. Radioactive isotopes
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
B. Scintillation Counter
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
B. Control Rods
What is it called when 2 smaller nuclei fuse to form a larger nucleus?
A. Fusion
B. Fission
C. Half life
A. Fusion
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
C. Film badge
What is the process where uranium gives off invisible rays?
A. Radioactive isotopes
B. Radioactive decay
C. Half life
B. Radioactive decay
What is radiation with enough energy to knock off electrons and produce ions?
A. Ionizing
B. REM
C. Nuclear waste
A. Ionizing
What is a form of radiation with no mass or no charge?
A. Alpha
B. Beta
C. Gamma
C. Gamma
What is radiation measured in?
A. REM
B. Half life
C. Control rods
A. REM
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
B. Geiger Counter
What is a natural radiation that is always present around you?
A. Alpha
B. Beta
C. Background
C. Background
What is a form of cancer caused by exposure to high doses of ionizing radiation?
A. Leukemia
B. Radiation
C. Nuclear waste
A. Leukemia
What is the part of the nuclear power plant where steamed is changed into energy?
A. Control Rods
B. Generator
C. Background
B. Generator
What are the by products of a nuclear power plant?
A. Half life
B. Radioactive decay
C. Nuclear waste
C. Nuclear waste
Which of the following is a source of natural radiation?
A. Flying in a plane
B. Radioisotopes from the ground
B. Radioisotopes from the ground
What is a safe amount of REM?
A. 5000
B. 0.5
B. 0.5
Which of the following CAN NOT be caused by exposure to radiation?
A. High blood pressure
B. Cancer
A. High blood pressure
Radioisotopes used to study chemical reactions and molecular structures are known as what?
A. Isotopes
B. Tracers
B. Tracers
Which of the following is a form of nuclear radiation?
A. Power plants
B. Atomic bombs
C. All of the above
C. All of the above
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
B. Radiation that is released from fossil fuels and nuclear radiation
A natural from of nuclear fusion is what?
A. Hydrogen bombs
B. The sun and stars
B. The sun and stars
Splitting the nucleus by using neutrons is called what?
A. Fission
B. Fusion
A. Fission
What is one of two ways used to control nuclear fission?
A. Chain reactions
B. Neutron absorption
B. Neutron absorption
DNA can be damaged by low doses of radiation which leads to what?
A. Mutations
B. Cancer
A. Mutations
Which if the following is NOT produced in nuclear fission?
A. 3 neutrons
B. 2 heavy nuclei
B. 2 heavy nuclei
What is the source of energy in nuclear fission?
A. Fusing of the nucleus
B. Splitting of the nucleus
B. Splitting of the nucleus
Which of the following is the hardest to stop?
A. Beta
B. Gamma
B. Gamma
Which produces the most energy?
A. Fusion
B. Fission
A. Fusion
Which of the following is an example of uncontrolled fission?
A. Nuclear bombs
B. Nuclear power plants
A. Nuclear bombs
When Bismuth releases and alpha particle it becomes what particle?
214/83 Bi –> 4/2 He
A. 218/85 Ac
B. 214/81 Tl
B. 214/81 Tl
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
A. 231/90 Th
When silicon undergoes a transformation it will form what particle?
27/14 Si –> 0/-1e
A. 27/13 Al
B. 27/15 P
B. 27/15 P
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.
See Mrs. Krumpelman for help if needed!!!