Elements, Compounds, Mixtures

Front

What is a substance made of only one type of atom called?

Back

An element.

Front

What is the chemical symbol for Iron?

Back

Fe.

Front

How is brass classified?

Back

A mixture.

Front

What is a pure substance?

Back

A pure substance is an element or a compound.

Front

Which of the following is an element: Sugar, Salt, Water, or Oxygen?

Back

Oxygen.

Front

What is a compound?

Back

A substance formed when two or more elements are chemically bonded together.

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically bonded.

Front

Give an example of a compound.

Back

Water (H2O).

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded.

Front

What is the chemical formula for table salt?

Back

NaCl.