| A | B |
|---|
| atom | The fundamental building block of the chemical elements. |
| covalent bond | Sharing electrons between two or more atoms. |
| proton | Subatomic particle that carries a positive charge. |
| molecule | The result of two or more atoms combining by chemical bonding. |
| neutron | Subatomic particle that carries no charge. |
| solution | A mixture of two substances where one has dissolved into the other |
| electron | Subatomic particle that carries a negative charge. |
| acid | compound that donates hydrogen ions (H+) |
| chemical compound | a substance formed by chemical union of two or more elements or ingredients in definite proportion. |
| base | Compound that donates hydroxide ions (OH-) or accepts hydrogen ions (H+). |
| ion | Charged particle formed by an atom that has gained or lost one or more of its electrons. |
| pH scale | Measurement system that indicates the acidity or basicity of a solution. |
| ionic bond | Attraction between oppositely charged ions. |
| polarity of water | Water molecules are neutral as a whole, however, one end of the water molecule tends to have a positive charge while the other has a negative charge. |
| polar | Any chemical grouping in which the distribution of electrons is uneven enabling it to take part in electrostatic interactions. |
| density | The mass per unit volume of a substance at a specified pressure and temperature. |
| solvent | A substance that dissolves another to form a solution. |
| cohesion | The attraction of alike molecules, such as water. |
| adhesion | The attraction of two molecules that are unlike. water molecules attraction for other molecules. |
| solute | The substance dissolved in a given solution. |
