Question

Which element is the most abundant in the atmosphere?

Answer 1

• Nitrogen is the most abundant naturally occurring gas (${\mathrm{N}}_2$) which is $78\%$ in the atmosphere.
• In the atmosphere $21\%$ oxygen, $0.93\%$ argon and other gases are present.
• It is relatively stable in the atmosphere and is not involved in many chemical processes that take place.
• As a result, it has persisted in the atmosphere to a considerably higher degree than Oxygen.