Meaning of atomic number 2 in English

Table of contents
  1. Pronunciation
  2. Noun
    1. Definitions

  1. Pronunciation

    US accent

    UK accent

  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) »

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