0
Q
Radioactivity
A
The name of that Marie gave to this this spontaneous emission by an unstable atomic nucleus
1
Q
Radioactive Decay
A
The atomic nuclei of unstable isotopes released fast-moving particles and energy
2
Q
Alpha particle
A
Consist of two protons and two neutrons and is positively charged
3
Q
Beta particle
A
If fast-moving electron given off by a nucleus during a radioactive decay
4
Q
Gamma radiation
A
Consist of high-energy waves similar to x-rays
5
Q
Tracers
A
Radioactive isotopes that can be followed through the steps of a chemical reaction or industrial process
