| A | B |
| ionic compounds | compounds that contain ionic bonds |
| covalent compounds | compounds that are composed of elements that are covalently bonded |
| acid | any compound that increases the number of hydrogen ions when dissolved in water |
| base | any compound that increases the number of hydroxide ions when dissolved in water |
| pH | a measure of hydronium ion concentration in a solution |
| salt | an ionic compound formed from the positive ion of a base and the negative ion of an acid |
| organic compounds | covalent compounds composed of carbon-based molecules |
| biochemicals | organic compounds make by living things |
| carbohydrates | biochemicals composed of one or more simple sugars bonded together that are used as a source of energy and for energy storage |
| lipids | biochemicals that do not dissolve in water |
| proteins | biochemicals that are composed of amino acids |
| nucleic acids | biochemicals that store information and help to build proteins and other nucleic acids |
| hydrocarbons | organic compounds that are composed of only carbon and hydrogen |
| amino acids | smaller molecules composed of carbon, hydrogen, oxygen, & nitrogen atoms |
| corrosive | it destroys body tissue and clothing |