1. ELEMENTS
&
ATOMS

2. What is Matter?

3. Matter is made up of elements
So what is an element

4. An element Is a pure substance made of only one kind of atom
Then what is an ATOM

5. An ATOM
Is the smallest particle of a substance that has all the properties of that substance

6. For example Gold is made of atoms of gold
For example Gold is made of atoms of gold. (Gold is one of our elements)

7. All gold atoms are alike they are not like silver atoms or any other element

8. ATOM
Are made up of
Electrons
Protons
And Neutrons

9. ATOM

10. Proton
Are positively ( +) charged particles in the nucleus of an atom.
(The number of protons tells what kind of atom it is. )

11. Neutrons Are also in the nucleus of an atom
They are not charged (Neutral)
They add mass to the atom
The number of neutrons does not change what kind of atom it is.

12. Electrons Are negatively charged particles (-).
Electrons are in spaces called clouds outside the nucleus
Electrons determine an atom’s chemical properties