英语词汇“atomic number 2”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

WORD FAMILY

atomic number 2

n a very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas)

Syn|Hyper

He, helium

chemical element, element

any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter

argonon, inert gas, noble gas

any of the chemically inert gaseous elements of the helium group in the periodic table

单词	atomic number 2
释义	atomic number 2 (extremely rare) n WORD FAMILY atomic number 2 n a very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas) Syn\|Hyper He, helium chemical element, element any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter argonon, inert gas, noble gas any of the chemically inert gaseous elements of the helium group in the periodic table
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