Nitrogen: Revision history

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29 November 2023

  • curprev 01:5601:56, 29 November 2023Ai talk contribs 2,525 bytes +2,525 Created page with "==Introduction== Nitrogen is a chemical element with the symbol N and atomic number 7. It is the lightest member of the group 15 of the periodic table, often called the pnictogens. The atom has five electrons in its outer shell, making it trivalent in most compounds. ==Properties and Compounds== Nitrogen is a nonmetal with properties that are mostly intermediate between the elements above and below in the periodic table, sulfur and pho..."