Time required for one half the atoms of a given amount of a radioactive substance to disintegrate
What is Half-Life
100
An electron or positron emmitted from a atomic nucleus
What is Beta
100
cobalt 60, Iodine 131
What is Beta
100
Nuclear bombs, nuclear poiwer plants
What is Fission
100
If a substance has a half life of 10 years and you begin with 20 grams, how much will be left after 20 year
What is 5
200
A particle representing a quantum of life or other electromagnetic radiation
What is Photon
200
A phoyon of penetrating electromagnetic radiation
What is Gamma
200
used for cancer treatment and to pasteurize foods
What is Gamma
200
The sun
What is Fusion
200
If you begin with 50 grams of a substance and afer a series of decay you are left with 12.5 grams. How many decay cycles occured
What is 2
300
A positive charged nuclear particles, indistinguishable from a hellium atom nucleus and consisting of two protons including two neutrons
What is Alpha
300
Smallest componet of an element having the chemical properties of the element
What is Atom
300
hydrogen, hellium, lithium, oxygen
What is atom
300
Visible light, sound waves, a campfire's heat
What is radiation
300
If you begin with 100 grams of a substance and it has a half life of 5 years, how long will it take for you to only have 6.25 grams left
What is 20
400
Either a nuclear reaction or a radioactive decay process in which the nucleus of an atom splits into smaller parts
What is fission
400
the process in which energy is emitted as particles or waves
What is radiation
400
Platonium 236, and uranium 238
What is Alpha
400
Vibrating guitar string, lazer
What is wave
400
A radioactive material is set loose in a room. You began with 50 grams and must have less than 10 grams for the room to be safe for people. If you have a half life of 25 years, how long will it be before someone can enter the room.
What is 100 years
500
Process of merging atoms together to create energy
What is Fusion
500
infrared, visible and ultraviolet ranges, which falls between x-rays and microwaves.
What is Light particle
500
Geiger counters, Fluorescent light bulb
What is Photon
500
Photo electric effect, and Planck's constant
What is Light Particles
500
If an item currently has 5 grams of a substance with a half life of 8 years. When would there have been 80 grams of the substance.