FAC 7.PS1.2

Any material in the known universe that is made of two or more different types of atoms chemically bonded together.

Material made up of only one type of particle,

such as one element or one compound,

and has a fixed structure

What happens when you put two or more same elements together? Select 2

Any substance that must exist in a set ratio that involves 2 or more atoms.

A material made of a single type of atom that cannot be broken down any simpler.

a molecule made of atoms from only one element

means one single atom

The attraction between two atoms formed from the electrons.

How do you know there was a chemical reaction?

any pure substance made of 2 or more different types of atoms bonded together