click below
click below
Normal Size Small Size show me how
Vocab list 1
| Question | Answer |
|---|---|
| adhesion | an attraction between molecules of different substances; water sticks to other things |
| buffer | a chemical that helps prevent changes in pH |
| co | together |
| cohesion | attraction between molecules of the same substance; water sticks to water |
| covalent bond | a bond formed when atoms share one or more pairs of electrons |
| electron | negatively charged particle; located outside of the nucleus |
| hydro | relating to or about water |
| hydrogen bond | the weak attraction of slightly positive hydrogen to a slightly negative portion of another molecule |
| neutron | a small particle in the nucleus of the atom with no electrical charge |
| proton | positively charged particle inside the nucleus of an atom |
| polar | one end of the molecule is slightly negative and the other end is slightly positive |
| surface tension | the tightness across the surface of water that is caused by water's cohesion; allows insects to walk on the surface of water. |
| neutral | neither an acid nor a base. A solution with a pH of 7. |
| solute | a substance that is dissolved in a solution |
| solution | a mixture in which one substance is dissolved in another |
| solvent | a liquid substance that dissolves other substances |