#1: Element or Compound

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 is a compound?

Back

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

Front

Give an example of an element.

Back

An example of an element is Carbon (C).

Front

Give an example of a compound.

Back

An example of a compound is Water (H2O).

Front

What distinguishes a compound from an element?

Back

A compound contains two or more different types of atoms, while an element consists of only one type of atom.

Front

Is oxygen (O2) an element or a compound?

Back

Oxygen (O2) is an element because it consists of only one type of atom.

Front

Is carbon dioxide (CO2) an element or a compound?

Back

Carbon dioxide (CO2) is a compound because it is made of two different elements: carbon and oxygen.

Front

What is the chemical formula for water?

Back

The chemical formula for water is H2O.

Front

What is the chemical formula for sugar?

Back

The chemical formula for sugar (sucrose) is C12H22O11.

Front

Can a compound be broken down into simpler substances?

Back

Yes, a compound can be broken down into simpler substances through chemical reactions.