Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Ally Brown
Chapter 8 Vocabulary
| Term | Definition |
|---|---|
| Solute | A substance whose particles are dissolved in a solution |
| Solvent | The substance in which the solute dissolves |
| Dissociation | The process in which an ionic compound separates into ions as it dissolves |
| Dispersion | Breaking into small pieces that spread throughout water |
| Ionization | The process in which neutral molecules gain or lose electrons |
| Acid | A compound that produces hydronium ions |
| Indicator | Any substance that changes color in the presence of an acid or base |
| Base | A compound that produces hydroxide ions |
| Neutralization | The reaction between an acid and a base |
| Salt | The negative ions in an acid combine with the positive ions in a base |
| pH | A measure of its hydronium ion concentration |
| Buffer | A solution that is resistant to large changes in pH |
| Electrolyte | A substance that ionizes or dissociates into ions when it dissolves in water. |
| Radioactivity | The process in which an unstable atomic nucleus emits charged particles and energy |
| Radioisotope | Any atom containing an unstable nucleus |
| Nuclear Radiation | Charged particles and energy that are emitted from the nuclei of radioisotopes |
| Alpha particle | A positively charged particle made up of two protons and two neutrons |
| Beta particle | An electron emitted by an unstable nucleus |
| Gamma ray | A penetrating ray of energy emitted by an unstable nucleus |
| Background radiation | Or nuclear radiation that occurs naturally in the environment |
| Strong Nuclear Force | The attractive force that binds the particles of the nucleus |
| Fission | The splitting of an atomic nucleus into two smaller parts |
| Chain reaction | Neutrons released during the splitting of an initial nucleus trigger a series of nuclear fusions |
| Critical Mass | The smallest possible mass of a fissionable material that can sustain a chain reaction |
| Fusion | A process in which the nuclei of two atoms combine to form a larger nucleus |
| Plasma | A state of matter in which atoms have been stropped of their electrons. |
Created by:
alyssa.brown
Popular Physical Science sets