The most abundant elements in the earth's atmosphere are; nitrogen, oxygen and argon. What they have in common is that they are all gases.
Nitrogen is the most abundant element in the atmosphere. It constitutes about 78% of air.
The next most abundant element in the atmosphere is oxygen. Oxygen accounts for about 21% of air.
The third most abundant element in the atmosphere is argon and it accounts for 0.9% of air.
All the elements listed here are gases at room temperature.
Learn more: https://brainly.com/question/20044815?
