Term
|
Definition
| The smalles unit of any living or nonliving thing. |
|
|
Term
|
Definition
| POsitively charged particles found in the nucleus of the atom. |
|
|
Term
|
Definition
| Negatively charged particles that orbit the nucleus of the atom. |
|
|
Term
|
Definition
| Particles with no charge found in the nucleus of the atom. |
|
|
Term
|
Definition
| A substance that consists of atoms with the same chemical properties. classified as atoms with the same number of protons. |
|
|
Term
|
Definition
| Two or more atoms bonded together; also called a compound. |
|
|
Term
|
Definition
| A large molecule (e.g. DNA, hemoglobin) |
|
|
Term
|
Definition
| A positively or negativley charged atom or molecule; an atom or molecule that has had electrons added or taken away. |
|
|
Term
|
Definition
| A substance that releases ions when put into a solution; electrolytes are necessary for the proper functioning of all cells in the body; some of the more important electrolytes are: Sodium (Na), Potassium (K), Chloride (Cl), Magnesium (Mg), Calcium (Ca), Iodine (I) |
|
|
Term
|
Definition
| A combination of two or more substances. |
|
|
Term
|
Definition
| A homogeneous mixture of a substance of smaller abundance (solute) dissolved into a substance fo greater abundance (solvent). |
|
|
Term
|
Definition
| The dissolved substance (e.g. salt, sugar) |
|
|
Term
|
Definition
| The dissolving substance (e.g. water) |
|
|
Term
|
Definition
| A mixture of two or more substances in a liquid that do not disolve but distribue evenly thorughout the liquid (e.g. India ink, blood) |
|
|
Term
|
Definition
| A substance that releases hydrogen ions in a solution. |
|
|
Term
|
Definition
| A substance that accepts or binds to hydrogen ions in a solution. |
|
|
Term
|
Definition
| The scale from 0-15 used to measure acidity and alkalinity. |
|
|
Term
|
Definition
| Any substanc ein a solution that prevents sharp changes in pH. |
|
|
