Pure Substances and Mixtures

Front

What are the three broad classifications of elements?

Back

Metals, Nonmetals, and Metalloids.

Front

What type of mixture is coffee considered?

Back

Homogeneous mixture.

Front

Which of the following is a mixture: Salt (NaCl), Oxygen (O), or Laundry Detergent?

Back

Laundry Detergent.

Front

True or False: Elements and compounds are both considered pure substances.

Back

True.

Front

What is a compound?

Back

A substance made up of different kinds of atoms chemically combined.

Front

What is a pure substance?

Back

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

Front

What is a heterogeneous mixture?

Back

A mixture where the components are not uniformly distributed and can be easily distinguished.

Front

Give an example of a homogeneous mixture.

Back

Vinegar.

Front

What is the difference between a compound and a mixture?

Back

A compound is made of two or more elements chemically combined, while a mixture is a combination of two or more substances that retain their individual properties.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.