| A | B |
|---|
| Atomic Number | Number of Protons= |
| Mass Number | Protons+Nutrons= |
| Radioactivity | spontaneous emission of radiation from the nucleous |
| radioactive decay | spontaneous decomposition of a nucleous |
| radioactive isotope | unstable isotope that exibits radioactivity |
| alpha particle | comes from helium nucleous, mass number=4, charge=+2 |
| beta particle | converts a nutron to a proton |
| gama rays | does not change atomic number or mass number |
| energy release | mass of reactants>mass of products |
| half-life | the amount of time required for half of any substance to react |
| fission | the splitting of heavy nuclei |
| supercritical mass | a reaction that excellorates |
| critical mass | amnt. of material needed to maintain the chain rxn. at a constant rate |
| fusion | thermonuclear reactions |
| somatic damage | affects the organism during it's own lifetime |
| genetic damage | harms offspring through damage to dna of eggs and sperm |
| rem | measure of the biological damage caused by radiation |
| Acid | produce H+ ions |
| Base | produce OH- ions |
| Organic Compound | contains C as the principle element |
