On Earth, about 78% nitrogen and 21% oxygen.
A mixture contain two or more compounds.
the most common element is hydrogen and its molecule of two hydrogen atoms is the most common molecule
Metal compounds made of two or more metallic elements are usually called ALLOYS. However, there are true compounds and these are often known simply as inter-metallic compounds.
There are more than two gases in the atmosphere. You need to specify the ones you are asking about.
all compounds are formed of one or more elements..
The two most abundant compounds in Earth's atmosphere are nitrogen gas (N2) and oxygen gas (O2). Nitrogen makes up about 78% of the atmosphere, while oxygen accounts for roughly 21%.
The most common compounds found in the atmosphere are nitrogen and oxygen. Of the two, nitrogen is more abundant and keeps oxygen inert.
The two most abundant gases in Earth's atmosphere are nitrogen (about 78%) and oxygen (about 21%).
The two most abundant gases in the Earth's atmosphere are nitrogen and oxygen. Nitrogen makes up about 78% of the atmosphere, while oxygen makes up about 21%.
oxygen and nitrogen
Nitrogen and Oxygen
Nitrogen and Oxygen
The most abundant is nitrogen at 78% followed by oxygen at 21%
The two most abundant gases in the Earth's atmosphere are nitrogen (about 78%) and oxygen (about 21%).
These gases are hydrogen and helium.
Nitrogen and oxygen are the two most abundant gases in Earth's atmosphere, making up approximately 99% of its composition. Nitrogen comprises about 78% of the atmosphere, while oxygen makes up around 21%.
Nitrogen N2 78.08% Oxygen O2 20.95%