Atoms, Elements, Molecules, Compounds V2

Front

What is an atom?

Back

The smallest unit of an element that retains the properties of that element.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means, consisting of only one type of atom.

Front

What is a molecule?

Back

A group of two or more atoms bonded together, which can be of the same or different elements.

Front

What is a compound?

Back

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

Front

What is the chemical formula for water?

Back

H2O, which indicates it is made of two hydrogen atoms and one oxygen atom.

Front

What is the chemical formula for carbon dioxide?

Back

CO2, which indicates it is made of one carbon atom and two oxygen atoms.

Front

What are the three states of matter?

Back

Solid, liquid, and gas.

Front

What is the difference between a molecule and a compound?

Back

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

Front

What is the periodic table?

Back

A tabular arrangement of elements organized by increasing atomic number, showing periodic trends.

Front

What is a chemical bond?

Back

The force that holds atoms together in a molecule or compound.