Elements and Compounds Literacy

Front

What is an element?

Back

An element is a pure substance that consists of only one type of atom.

Front

What is a compound?

Back

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

Front

How are elements and compounds similar?

Back

Both elements and compounds are pure substances.

Front

What distinguishes a compound from an element?

Back

A compound is made of two or more elements chemically combined, while an element is made of one type of atom.

Front

What is a chemical symbol?

Back

A chemical symbol is a one or two-letter notation used to represent an element.

Front

Give an example of a chemical symbol.

Back

Na (Sodium) is an example of a chemical symbol.

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together.

Front

Which of the following is a molecule: O₂, Na, or Cl?

Back

O₂ is a molecule because it consists of two oxygen atoms bonded together.

Front

What is the difference between an atom and a molecule?

Back

An atom is the smallest unit of an element, while a molecule is made up of two or more atoms.

Front

Name three common elements.

Back

Oxygen, Carbon, and Hydrogen are common elements.