Element, Compound, Mixture - 6th

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded. Each substance retains its own properties.

Front

What is an element?

Back

An element is a pure substance that consists of only one type of atom. Examples include hydrogen, oxygen, and gold.

Front

What is a compound?

Back

A compound is a substance formed when two or more elements are chemically bonded together. For example, water (H2O) is a compound made of hydrogen and oxygen.

Front

What type of mixture is Lucky Charms?

Back

Lucky Charms is a heterogeneous mixture because it contains different components that can be easily distinguished.

Front

What type of mixture is freshly brewed black coffee?

Back

Freshly brewed black coffee is a homogeneous mixture because its components are evenly distributed and cannot be easily separated.

Front

Can a mixture be separated by physical means?

Back

Yes, mixtures can be separated by physical means such as filtration, evaporation, or using a magnet.

Front

What is the difference between homogeneous and heterogeneous mixtures?

Back

Homogeneous mixtures have a uniform composition throughout, while heterogeneous mixtures have distinct, separate components.

Front

Give an example of a compound.

Back

An example of a compound is carbon dioxide (CO2), which is made of carbon and oxygen.

Front

What is a solution?

Back

A solution is a type of homogeneous mixture where one substance (the solute) is dissolved in another (the solvent). For example, saltwater is a solution.

Front

What happens to the properties of substances in a compound?

Back

In a compound, the properties of the individual elements change and are different from the properties of the compound itself.