Download What is matter? - Burnet Middle School

What is matter?
Matter is anything that has mass and
takes up space.
 The 3 states of matter are solids,
liquids, and gases.

 Examples:
 Not
Wood, Gold, Water, Air…
Matter: Sound, Light
Atoms

Atoms – The building blocks of matter
(all matter is made up of atoms)

Atoms are made up of even smaller particles
called protons, neutrons, and electrons
Parts of an Atom

Protons – positive charge


Neutrons - no charge/neutral


Found in center (nucleus)
Found in center (nucleus)
Electrons – negative charge

Move around outside of the nucleus
The protons and neutrons make up the center, or
NUCLEUS, of the atom.
Different types of atoms will have different numbers of
protons, neutrons, and electrons.
Elements
An element is a substance made up of
only one type of atom
 Atoms of each element are unique in
their number of protons

 (ex/
ONLY carbon has 6 protons)
Arranged on the periodic table by
atomic number (# of protons)
 Listed on the periodic table using
symbols

 Ex/
Hydrogen = H, Calcium = Ca
The Periodic Table
 Each
element has a box on the periodic
table that will give you the following
information:
 Element’s
Name
 Element’s Symbol
 Atomic Number (# of protons)
 Mass number – total mass of the element

Total number of protons and neutrons (electrons
have almost no mass)

Elements are neutral overall, so the
number of protons will equal the number
of electrons.
 Ex/
Carbon has 6 protons, so it also has 6
electrons