Element, Compound, Mixture

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 an example of a molecule?

Back

H2 (hydrogen gas) is an example of a molecule, which is a group of two or more atoms bonded together.

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a mixture in which the components are not uniformly distributed, such as a salad with lettuce, olives, and tomatoes.

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture that has a uniform composition throughout, such as saltwater.

Front

What is CO2 an example of?

Back

CO2 (carbon dioxide) is an example of a compound.

Front

What distinguishes a mixture from a compound?

Back

A mixture is a combination of two or more substances that retain their individual properties, while a compound is a substance formed from the chemical combination of elements.

Front

What is the difference between elements and compounds?

Back

Elements are pure substances that cannot be broken down into simpler substances, while compounds are made up of two or more elements chemically combined.

Front

Can a compound be separated into its elements?

Back

Yes, a compound can be separated into its constituent elements through chemical reactions.

Front

What is an example of a pure substance?

Back

Water (H2O) is an example of a pure substance, as it has a consistent composition.

Front

What is the significance of chemical bonds in compounds?

Back

Chemical bonds hold the atoms together in a compound, determining its properties and behavior.