Front

What is an element?

Back

An element is a pure substance that consists of only one kind of atom.

Front

What is a compound?

Back

A compound is a substance formed when two or more different elements are chemically bonded together.

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 pure substance?

Back

A pure substance is a material that has a constant composition and properties throughout; it can be an element or a compound.

Front

Can a mixture be separated?

Back

Yes, a mixture can be separated into its individual components by physical methods such as filtration or distillation.

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

Give an example of an element.

Back

An example of an element is oxygen (O).

Front

Give an example of a compound.

Back

An example of a compound is water (H2O), which is made of hydrogen and oxygen.

Front

Give an example of a mixture.

Back

An example of a mixture is saltwater, which is a combination of salt and water.

Front

What is a mixture of elements?

Back

A mixture of elements is a combination of two or more elements that are not chemically bonded, such as a mixture of iron and sulfur.