an atom or group of atoms which has a characteristic effect on the chemical behaviour of the molecule to which it belongs.
| 单词 | θ71601 |
| 释义 | the world > matter > chemistry > atomic chemistry > [noun] > atoms > specific types of atoms (9) functional group1892 an atom or group of atoms which has a characteristic effect on the chemical behaviour of the molecule to which it belongs. species1895 Chemistry and Physics. A particular kind of molecule, ion, free radical, etc.; a distinct kind of atom (esp. a radioactive one) or subatomic particle. hetero-atom1900 radio-atom1905 A radioactive atom; an atom of a radionuclide. isobar1918 Physics. Each of two or more nuclides which have the same mass number but different atomic numbers (and so are different elements). Originally isobare… donor1927 Chemistry and Physics. An atom, molecule, etc., that loses a constituent part to something else; esp. (a) an atom, etc., that gives up a valency… impurity atom1939 an atom that differs from the bulk of those present in a substance in being of a different element. nuclide1947 A distinct species of atom or nucleus, as defined by the number of protons and the number of neutrons it contains. strong collider1968 Physical Chemistry. A molecule or atom that collides with other molecules or atoms, esp. to an extent that needs to be allowed for in kinetics… |
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