 | Term | Definition |
| |
Henri Bequerel |
Discovers radioactivity |
| |
Nuclear Radiation |
High energy particles that are emitted by the nuclei of some atoms |
| |
Radioctivity |
Process by which an unstable nucleus gives off nuclear radiation |
| |
Mass Number |
Sum of proton and nucleus |
| |
Alpha Particle |
Made up of two protons and two neutrons; Same as helium; |
| |
Mass and charge conserved |
During a AP decay what is conserved? |
| |
Beta Particle |
Electron or positron; 0 Mass number; |
| |
A neutron breaks into a proton and electron, also nucleus becomes a different element |
Whats happens during a Beta particle decay? |
| |
Isotopes |
Same number of protons, but different number of neutrons |
| |
Gamma Rays |
No mass or charge |
| |
The nucleus shifts places. |
What happens during a Gamma decay? |
| |
When some elements mass in a equation converts to energy |
What is Nuclear mass defect? |
| |
Carbon-14 |
In all living things; Used for dating |
| |
Half-life |
Amount of time it takes for a one-half of the radioactive nuclei to decay |
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