Molecules

Front

What is a molecule?

Back

A molecule is the smallest unbreakable unit of a compound, made up of two or more atoms bonded together.

Front

Why is oxygen gas not considered a compound?

Back

Oxygen gas is not a compound because it only consists of one element.

Front

What does the coefficient in a chemical equation represent?

Back

The coefficient indicates how many molecules are present in a chemical equation.

Front

What are elements made up of?

Back

Elements are made up of atoms.

Front

What are molecules?

Back

Molecules are made up of two or more atoms bonded together.

Front

What is a compound?

Back

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

Front

What is a subscript in a chemical formula?

Back

A subscript indicates the number of atoms of an element in a molecule.

Front

Can a molecule consist of the same type of atoms?

Back

Yes, a molecule can consist of the same type of atoms, such as O2 (oxygen gas).

Front

What is the role of electrons in atoms?

Back

Electrons are negatively charged particles that orbit the nucleus of an atom and are involved in chemical bonding.