intro to the periodic table & atomic structure
Post on 06-Jan-2016
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Intro to the Periodic Table & Atomic Structure
• THINK ABOUT IT – answer on your warm-up sheet or scratch paper
1. What are the 3 main groups on the periodic table?
2. What are the 3 main parts of an atom?
You need to get 3 different color pencils!!
Metals, Nonmetals, Metalloids
APE MAN!!!!
Atomic Number
=Number of Protons Mass Number
=Number of Electrons - Atomic Number
= Number of Neutrons
F9
18.9984
Let’s Practice…
Element Name Symbol Atomic
#Mass
## of
Protons# of
Neutrons# of
Electrons
Chlorine Cl 17 35.45
Argon Ar 39.95 22
ATOM
Atomic Structure
Nucleus
+ Proton +
+
Neutrons
0
ORBITALS
ORBITALS
- Electrons -
Subatomic Particles
Atomic Model Practice
• Practice drawing the following Atoms:–Hydrogen–Carbon –Phosphorous
1
H1.0079 6
C12.011
15
P30.973
Atomic Mass/Atomic # Practice
• Go to website –work on Atomic Mass/Atomic #
Practice (under The Atom page in the 1st 6-weeks)
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