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CHEM 100 LEC
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The Current Day Periodic Table is Organized By
Atomic Number
How Many Groups Does the Periodic Table Have?
18
What does the Atomic Number tell you about the Element?
Number of protons
Where are Metals Located on the Periodic Table?
On the left side
What Type of Element Make up the Majority of the Elements?
Metal
What is a Period?
A horizontal row of elements
What is a Group?
A vertical column of elements
What is Group IA Called?
Alkali Metals
What is Group IIA Called?
Alkaline Earth Metals
What is Group VIIA Called?
Halogens
What is Group VIII Called?
Noble Gases (Inert Gases)
What does O Mean?
Atom (Single atom element)
What does OO Mean?
Diatomic (Two atoms together)
Name All Diatomic Elements
H2, N2, O2, F2, Cl2, Br2, I2
Where are Non-Metals Located on the Periodic Table?
On the right side
Where are Transition Metals Located on the Periodic Table?
In the center