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Biochem A
Biology I-4
| Term | Definition |
|---|---|
| Ion | charged atom because it has lost or gained electrons |
| ionic bond | bond between two ions when an electron transferred |
| covalent bond | atoms sharing a pair of electrons |
| polar molecule | a covalently bonded molecule with a positive side and negative side |
| hydrogen bond | bond between two polar molecules involving hydrogen on one |
| reactant | chemicals that go IN to a reaction |
| products | chemicals that come OUT of a reaction |
| valence electron | electrons in the outermost orbital or energy shell |
| proton | positive particle in the nucleus of an atom |
| neutron | neutral particle in the nucleus of an atom |
| pH | measure of H+ ions (acidity) of a solution |