Nitrogen 78%, Oxygen 21%, all others 1%.
The two most abundant elements in Earth's atmosphere are nitrogen and oxygen. Nitrogen makes up about 78% of the atmosphere, while oxygen is around 21%. Both of these elements are essential for supporting life on Earth.
Oxygen is O and nitrogen is N.
Hydrogen and helium make up the majority of Jupiter's atmosphere, with hydrogen being the most abundant element. These two elements make up more than 99% of the planet's atmosphere.
oxygen and water
The five most abundant elements that make up atomic matter are; Hydrogen, Helium, Oxygen, Carbon and Neon. Hydrogen is by far the most abundant element. There is three times as much Hydrogen than the next most abundant element, Helium.
These elements are oxygen and magnesium.
The most important elements in the Earth's atmosphere are N (nitrogen) and O (oxygen).
The sun is 75% hydrogyn, 23% hylium, and 2% everything else. That is all I know.
oxygen n hydrogen
Nitrogen (78%) and Oxygen (21%) are the two most abundant gasses in Earth's atmosphere.
Cfc is the mos abundant gas. We used it in refrigerators in the past.
The Earth's crust consists of the following elements and percentages: # Oxygen--47% # Silicon--28% # Aluminum--8% # Iron--5% # Calcium--4% # Sodium--3% # Potassium--3% # Magnesium--2% # Titanium--0.5% # All others--