1. +
+
+ o
oo o
-
-
-
Proton (+)
Neutron (o)
Electron (-)
Nucleus (+)
1
2
34
Label the
parts of the
atom
S
ee
if
you
can
do
it
from
m
em
ory!!!!

2. ReviewReview
 The AtomThe Atom
 Its partsIts parts
 Protons, neutrons, nucleusProtons, neutrons, nucleus
electronselectrons

3. ElementsElements
 Simple substances thatSimple substances that
cannot be broken downcannot be broken down
into a simpler substanceinto a simpler substance
 Any sample of matterAny sample of matter
made up of only 1 type ofmade up of only 1 type of
atomatom

4. ElementsElements
118(?) known elements118(?) known elements
92 exist naturally92 exist naturally
A few are man madeA few are man made
Most elements are foundMost elements are found
as solidsas solids

5. ElementsElements
Symbols are used toSymbols are used to
represent themrepresent them
C, carbonC, carbon
Fe, ironFe, iron

6. Dee-
Dee-
Dee!!!!

7. Dee-
Dee-
Dee!!!!