Final Classification of Matter P.Sci *

Front

What is a mixture of elements?

Back

A mixture of elements is a combination of two or more different elements that are not chemically bonded together. Each element retains its own properties.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means. It consists of only one type of atom.

Front

What are the two types of pure substances?

Back

The two types of pure substances are elements and compounds.

Front

What is a compound?

Back

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

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture that has a uniform composition and appearance throughout. The individual components are not distinguishable.

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a mixture where the individual components can be seen and are not uniformly distributed.

Front

Give an example of an element.

Back

Aluminum (Al) is an example of an element.

Front

Give an example of a compound.

Back

Water (H2O) is an example of a compound.

Front

What is the difference between a mixture and a compound?

Back

A mixture is a physical combination of substances that retain their individual properties, while a compound is a chemical combination of substances that results in a new substance with different properties.

Front

What is the chemical symbol for oxygen?

Back

The chemical symbol for oxygen is O.