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What percentage of the Earth's atmosphere is composed of oxygen?
About 21% of the Earth's atmosphere is composed of oxygen.
What are diamond and quartz composed of?
Diamond is composed of the element carbon, and quartz is composed of the elements silicon and oxygen.
A silica tetrahedron is composed of four atoms of what element and one atom of?
A silica tetrahedron is composed of four atoms of oxygen bound to a central atom of silicon, with the formula of SiO4.
Is oxygen an element or a compound or a homogeneous mixture or a heterogeneous mixture?
Oxygen is an element. This means that it is composed of only one kind of atom, and it takes two atoms of oxygen to make one molecule of oxygen. A compound is composed of more than one kind of element. A simple example is carbon dioxide which is composed of one atom of carbon and two atoms of oxygen. A mixture is composed of more than one kind of compound.
What is the percentage of oxygen in earths air?
The Earth's atmosphere is composed of about 21% oxygen. This level is important for supporting life on our planet.
What percentage of the Earth's atmosphere is composed of oxygen?
About 21% of the Earth's atmosphere is composed of oxygen.
What kind of atoms are in a molecule of oxygen?
Oxygen is composed of oxygen atoms.
Ozone is composed of?
Oxygen.
Is purified water a protein?
No. Water is composed of hydrogen and oxygen. Proteins are composed of carbon, nitrogen, hydrogen, and oxygen.
What is the percentage of pure air composed of oxygen?
21%oxygen
Air is composed primarily of what 2 gasses?
Air is primarily composed of nitrogen (about 78%) and oxygen (about 21%).
What Ozone is composed of?
Ozone is a tri oxygen molecule. It is formed in a natural process by the action of UV light on oxygen molecule. Its is an allotrope of oxygen.
What mineral composed only of oxygen and silicon?
The mineral composed only of oxygen and silicon is silicon dioxide, also known as quartz.
What are diamond and quartz composed of?
Diamond is composed of the element carbon, and quartz is composed of the elements silicon and oxygen.
The percentage of pure air that is composed of oxygen percent?
Oxygen(02)=20.947
Does the sun have an oxygen atmosphere?
No. It is composed mainly of hydrogen and helium. It is about 1% oxygen.
Is oxygen an infinite network of atoms or composed of discrete molecules?
composed of dicrete molecules
