Elements, Compounds, Mixtures

Front

What is sodium chloride classified as?

Back

Sodium chloride (NaCl) is classified as a compound.

Front

What does a mixture of atoms represent?

Back

A mixture of atoms represents a combination of different elements that are not chemically bonded.

Front

What is the chemical symbol for potassium?

Back

The chemical symbol for potassium is K.

Front

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

Back

A substance made of only one type of atom is called an element.

Front

What is NaHCO₃ an example of?

Back

NaHCO₃ is an example of a compound.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is a compound?

Back

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

Front

What is a mixture?

Back

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

Front

Can a mixture be separated by physical means?

Back

Yes, a mixture can be separated by physical means, such as filtration or distillation.

Front

What is the difference between a compound and a mixture?

Back

A compound has a fixed composition and properties, while a mixture retains the properties of its individual components.