Liquid nitrogen is a pure substance because it consists of only nitrogen molecules in liquid form.
Yes Nitrogen is a pure substance because pure substances are both compounds and elements. Nitrogen is an element.
Nitrogen is an element it has an atomic number of 7
It is homogeneous, but it is not a mixture. It is an element, which is a pure substance.
No coal is a mixture of carbon and organic compounds.
NH3 is Ammonia. It is a gaseous compound. It is a combination of hydrogen(H) and nitrogen(N). It is NOT a mixture. As a compound it is poure substance. However, it readily becomes 'impure', by dissolving in water to form ammonia solution.
Yes Nitrogen is a pure substance because pure substances are both compounds and elements. Nitrogen is an element.
nitrogen gas is BASICALLY JUST PLAIN NITROGEN AND THUS IT IS A PURE SUBSTANCE.
Nitrogen is not a mixture it's an element.
A mixture is formed.
Nitrogen is an element it has an atomic number of 7
It is homogeneous, but it is not a mixture. It is an element, which is a pure substance.
A mixture can be defined as a material composed of two or more different substances that are not chemically combined. This makes nitrogen a pure substance.
No. To start with, air is not a pure substance, and mixiong it with something else just makes it worse.
Crude oil is a complex mixture of hydrocarbons, as well as small amounts of sulfur, nitrogen, and other elements. Therefore, it is considered a mixture rather than a pure substance.
Air is a mixture of gasses, about 78% nitrogen, 21% oxygen and then a dash of others. Nitrogen OTOH is one of the elements out of the Periodic Table, which I guess is what you mean with a pure substance.
pure substance?
No coal is a mixture of carbon and organic compounds.