Meaning of atomic number 15 in English

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

  1. Pronunciation

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  1. Noun

    atomic number 15

    Definitions

    1. a multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells

    Examples

    • « is highly reactive and occurs in several allotropic forms »

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