Radiation Flashcards
1
Q
Radiation definition
A
The release of energy in the form of waves or particles
2
Q
Non-ionizing
A
A type of low-energy radiation that does not have enough energy to remove an electron
3
Q
Ionizing
A
A type of high-energy radiation that has enough energy to remove an electron
4
Q
3 types of radiation
A
a = alpha
b = beta
y = gamma
5
Q
Radioisotopes definition
A
An unstable form of a chemical element that releases radiation as it breaks down and becomes more stable.
6
Q
Radioactivity
A
The release of energy from the decay of the nuclei of certain kinds of isotopes
7
Q
Nuclear decay
A
The process by which an unstable atomic nucleus loses energy by radiation
8
Q
Half-life
A
The time required for a quantity (of substance) to reduce to half of its initial value
