| 单词 | rare gas |
| 释义 | > as lemmasrare gas rare gas n. [compare sense A. 4] Chemistry = noble gas n. ΘΚΠ the world > matter > chemistry > elements and compounds > metals > noble gases > [noun] (the) inert gases1885 noble gas1901 rare gas1901 1901 M. W. Travers Exper. Study Gases xi. 116 Mercury, which somewhat resembles the rare gases with regard to its low boiling-point and monatomic character, would be chemically inactive at 1000° C. 1963 J. H. Pomeroy in H. H. Hyman Noble-gas Compounds iii. 125 I..suspect that the discovery of the rare-gas compounds has been greeted with particular enthusiasm by the producers of textbooks in chemistry. 1991 E. A. V. Ebsworth et al. Struct. Methods Inorg. Chem. (BNC) (ed. 2) 276 If an electron is removed from a p-orbital of a rare gas atom the interaction of the electron spin angular momentum..with the orbital angular momentum..generates two possible states for the ion. < as lemmas |
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