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Air and soil.
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Can you think of other substances essential to life that contain nonmetals?
Carbon, Nitrogen, Phosphorus, Hydrogen, and Oxygen
How do you categorize materials as pure substances or mixtures?
A pure substance contain only one type of molecule. A mixture contain two or more substances.
Is liquid nitrogen a cryogenic liquid?
Yes, because it is extremely cold. Cryogenics is the science of very, very cold substances, and dry ice and liquid nitrogen are one of the main two substances in that genre.
Does a molecule of ammonia contain four different elements?
No, it contains two: hydrogen and nitrogen, It does however contain four different atoms: one of nitrogen and three of hydrogen.
Differentiate a substance from a mixture?
A mixture contain two or more substances (compounds).
Which biologically important molecules contain nitrogen?
Proteins are a class of such substances.
Can you think of other substances essential to life that contain nonmetals?
Carbon, Nitrogen, Phosphorus, Hydrogen, and Oxygen
How is mixtures similar in substances?
A mixture contain two or more substances (compounds).
Which substances in the air are substances?
Air contain nitrogen, oxygen, other minor noble gases, ozone, carbon dioxide water vapors, fumes, powders.
What two substances make ammonia?
1 nitrogen 3 Hydrogen
What substances are used in a fertiliser?
Fertilizer may contain: potassium, nitrogen, phosphorous, sulfur, cacium and some microelements.
Why are pure substances important in your daily lives?
Oxygen and Nitrogen are two examples
What are two nonprotien molecules that contain nitrogen?
Nitrate and ammoniak
Which two macromolecules contain nitrogen?
Proteins and nucleic acids
What are some substances in nitrogen?
Nitrogen is a gaseous element, that is, what is in nitrogen is nitrogen.
What substances are compounds?
Mixtures contain two or more compounds.
How do you categorize materials as pure substances or mixtures?
A pure substance contain only one type of molecule. A mixture contain two or more substances.
