Question

Nitrogen is the main gas present in air, constituting about_______.​

Answer 1

Answer:

The most common gases nitrogen (78%), oxygen (about 21%), argon (almost 1%) and carbon dioxide (0.03%). Other molecules are present in the atmosphere as well, but in very small quantities. Composition of air is measured in percent by volume, at sea level at 15C and 101325 Pa.

Explanation:

Mark me as brainliest answer

Answer 2

Explanation:

Nitrogen is a chemical element with symbol N and atomic number 7. Elemental nitrogen is a colorless, odorless, tasteless, and mostly inert diatomic gas at standard conditions, constituting 78.09 percent of Earth’s atmosphere by volume.