Particles of Matter: Atoms, Elements, Molecules, Compounds

Front

What is an atom?

Back

An atom is the smallest unit of matter that retains the properties of an element.

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 molecule?

Back

A molecule is a group 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

TRUE OR FALSE: Every element is a molecule.

Back

FALSE

Front

Can atoms combine with other atoms to make a molecule?

Back

Yes

Front

What does it mean if there is no subscript in a chemical formula?

Back

It means there is 1 atom of that element.

Front

How many types of elements are there on the Periodic Table?

Back

There are over 100 types of elements.

Front

What is the difference between an atom and a molecule?

Back

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

Front

What is the chemical formula for water?

Back

H2O, which means it has 2 hydrogen atoms and 1 oxygen atom.