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单词 xenon
释义
xe·non (zēnŏn)
n. Symbol Xe
A colorless, odorless, noble gas element found in minute quantities in the atmosphere, extracted commercially from liquefied air and used in stroboscopic, bactericidal, and laser-pumping lamps. Atomic number 54; atomic weight 131.29; melting point -111.74°C; boiling point -108.09°C; density (gas) 5.89 grams per liter; specific gravity (liquid, at -109°C) 2.95; valence 0, 2, 4, 6. See Periodic Table.

[From Greek, neuter of xenos, foreign, strange; see XENO-.]
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