Which substance has only one type of substance?

Which substance has only one type of substance?

Element
Element. A pure substance that has only one kind of atom and cannot be broken into two or more simpler substances by physical or chemical means is an element.

What is a single substance?

A pure substance is any single type of material that are made of only one type of atom or only one type of molecule. A chemical substance can be solid, liquid, gas, or plasma. Pure substances are often called pure to set them apart from mixtures. A substance can be anything.

Is nail polish a substance or mixture?

Nail polish is a mixture as it contains more than one type of substance present. We can classify nail polish as a homogeneous mixture as it is uniform in composition. Nail polish is composed of components such as nitrocellulose and isopropyl alcohol.

What is made up only of one type of atom?

A chemical element is a pure substance that consists of one type of atom. Each atom has an atomic number, which represents the number of protons that are in the nucleus of a single atom of that element.

Which is the best definition of a pure substance?

Pure substances consist of only one type of matter. A pure substance can be an element, which consists of only one type of atom and cannot be broken down by a chemical change, or a compound, which consists of two or more types of atoms.

Which is the best description of a chemical substance?

1 Chemical Substances. In chemistry, a chemical substance is a form of matter that has constant chemical composition and characteristic properties. 2 Chemical Mixtures. A mixture is a material system made up of two or more different substances, which are mixed but not combined chemically. 3 Heterogeneous Mixtures. 4 Homogenous Mixtures.

How are pure substances different from mixtures and compounds?

Pure substances are further broken down into elements and compounds. Mixtures are physically combined structures that can be separated into their original components. A chemical substance is composed of one type of atom or molecule. A mixture is composed of different types of atoms or molecules that are not chemically bonded.

How are two elements combined to form a substance?

Two or more elements combined into one substance through a chemical reaction, such as water, form a chemical compound. All compounds are substances, but not all substances are compounds.