Download element

ELEMENTS JOIN TOGETHER TO
MAKE COMPOUNDS
Hydrogen Atom /Hydrogen Element
CARD SORT ACTIVITY
Before
Symbol
After
C
E
H2O
C
C
E
E
C
E
E
C
C
NaCl
Pb
Ne
CaCl
Au
He
NaF
Co2
ELEMENTS
 Elements
are substances that
cannot be broken down into any
other substance by chemical or
physical means.
 The
Periodic Table organizes the
elements based on their physical
and chemical properties.
Atomic Number
1
H
Atomic Mass
1.0079
Element Symbol
PERIODIC TABLE REVIEW
Activity: Use your periodic table to find the following
elements. Write their symbol on your white board
and hold it up when done.
(Let’s see who knows the Periodic Table BEST!)








Carbon
Helium
Lithium
Oxygen
Sodium
Gold
Nitrogen
Hydrogen
COMPOUNDS
 When
elements are combined they make
compounds.
 Made
of two or more different elements
joined by a chemical bond.
 Has
 Can
a chemical formula
only be separated by chemical
means, not physically
You will be shown a series of photos.
Tell if each photo represents an item
composed of an element or compound!
Review:
An element contains just one type of
atom.
A compound contains two or more
different atoms joined together.
ELEMENT OR COMPOUND?
COPPER (CU)
ELEMENT OR COMPOUND?
Copper
ELEMENT OR COMPOUND?
Table Sugar-C12H22O11.
ELEMENT OR COMPOUND?
Table Sugar
ELEMENT OR COMPOUND?
Diamond- C
ELEMENT OR COMPOUND?
Diamond
ELEMENT OR COMPOUND?
Pure Water-
ELEMENT OR COMPOUND?
Pure Water
ELEMENT OR COMPOUND?
Silver- Ag
ELEMENT OR COMPOUND?
Silver
LET’S SEE IF YOU GET IT???
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