Molecules and compounds

Front

What is the definition of a molecule?

Back

A molecule is defined as two or more atoms joined together.

Tags

NGSS.MS-PS1-1

Front

What is a compound?

Back

A compound is formed when two different elements are bonded together.

Tags

NGSS.MS-PS1-1

Front

What is the smallest unit of a compound?

Back

The smallest unit of a compound is a molecule.

Tags

NGSS.MS-PS1-1

Front

Is salt an example of a compound?

Back

True, salt is an example of a compound.

Tags

NGSS.MS-PS1-1

Front

Is carbon dioxide a compound?

Back

True, carbon dioxide is a compound.

Tags

NGSS.MS-PS1-1

Front

What distinguishes a molecule from a compound?

Back

A molecule can consist of the same or different types of atoms, while a compound specifically consists of two or more different elements.

Tags

NGSS.MS-PS1-1

Front

Can a molecule be a compound?

Back

Yes, a molecule can be a compound if it consists of two or more different elements.

Tags

NGSS.MS-PS1-1

Front

What is the chemical formula for water?

Back

The chemical formula for water is H2O, which indicates it is a compound made of hydrogen and oxygen.

Tags

NGSS.MS-PS1-1

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms bonded together.

Front

What is an example of a simple molecule?

Back

An example of a simple molecule is O2, which is oxygen gas.

Tags

NGSS.MS-PS1-1