Elements and Compounds

Front

What is a compound?

Back

A compound is a substance made up of two or more different elements that are chemically bonded together.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is a molecule?

Back

A molecule is the smallest unit of a compound that retains the properties of that compound, consisting of two or more atoms bonded together.

Front

Can compounds be separated by physical means?

Back

No, compounds cannot be separated by physical means; they can only be separated by chemical reactions.

Front

What is the difference between an element and a compound?

Back

An element consists of only one type of atom, while a compound consists of two or more different types of atoms chemically bonded together.

Front

Are compounds found on the periodic table?

Back

No, the periodic table only contains elements, not compounds.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded and can be separated by physical means.

Front

What is a chemical bond?

Back

A chemical bond is the force that holds atoms together in a compound.

Front

What is a chemical reaction?

Back

A chemical reaction is a process that leads to the transformation of one set of chemical substances to another, often involving the breaking and forming of bonds.

Front

What is a pure substance?

Back

A pure substance is a material that has a constant composition and consistent properties throughout.