atomic number 7

Definitions of atomic number 7

1. noun

   a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues
   synonyms: N, nitrogen

   types:

   azote

   an obsolete name for nitrogen

   liquid nitrogen

   nitrogen in a liquid state

   type of:

   chemical element, element

   any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter

   gas

   a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely