Etymology:
Meaning:
Nitrogen is the chemical element with atomic number 7 and symbol N. It is a colorless, odorless, and tasteless diatomic gas that constitutes 78.08% of Earth's atmosphere by volume.
Origin:
The name "nitrogen" was first coined by Jean-Antoine Chaptal in 1790. It comes from the Greek word "νίτρον" (nitron), meaning native soda or saltpeter. This is because nitrogen was first discovered as a component of saltpeter (potassium nitrate).
The term "azote" was introduced by Antoine Lavoisier in 1789. It is derived from the Greek word "α-" (a-), meaning "without," and "ζωή" (zoe), meaning "life." Lavoisier used this name to describe nitrogen because he believed it was a gas that could not support life. However, this turned out to be incorrect, as nitrogen is essential for plant growth and other biological processes.
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