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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 |