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MsP Chpt 3 Biochem
Chemistry of Life/ Biochemistry
| Question | Answer |
|---|---|
| atom | the smallest unit of an element that maintains the chemical properties of that element |
| element | a substance that cannot be separated or broken down into simpler substances by chemical means |
| valence electron | an electron that is found in the outermost shell of an atom and that determines the atom's chemical properties |
| compound | a substance made up of atoms of two or more different elements joined by a chemical bonds |
| molecule | a group of atoms that are held together by chemical forces |
| ion | an atom, radical, or molecule that has gained or lost one or more electrons and has a negative or positive charge |