Meaning of atomic number 1 in English

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

  1. Pronunciation

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  1. Noun

    atomic number 1

    Definitions

    1. a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas

    Examples

    • « the simplest and lightest and most abundant element in the universe »

    Derived terms

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