Meaning of atomic number 2 in English

1. Pronunciation

   US accent

   How to pronounce atomic number 2 in American English, in context ▾
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   UK accent

   How to pronounce atomic number 2 in British English, in context ▾
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1. Noun

   atomic number 2

   Definitions

   1. a very light colorless element that is one of the six inert gasses

   Examples

   • « the most difficult gas to liquefy »
   • « occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas) »