Answer to Question #68160 in General Chemistry for Akeiya

Question

Which element is the most abundant element in the earth's atmosphere?

Answer 1

The most abundant element in the Earth's atmosphere is nitrogen , which accounts for about 78% of the mass of dry air. Oxygen is the next most abundant element, present at levels of 20 to 21%. Although humid air seems like it contains a lot of water, the maximum amount of water vapor that air can hold is only about 4%.