1. The Periodic Table

2. Mendeleev’s Periodic Table
In the 1860’s Mendeleev was working on a textbook to use with his chemistry students.
He needed to organize 63 elements and their information.
Idea for organization came from the card game – solitaire.
He created a deck of cards for the elements with:
Element’s name, mass, and properties.
Behavior in reactions with hydrogen and oxygen.
Mendeleev arranged the elements into rows in order of increasing mass so that elements with similar properties were in the same column.

4. History
Dmitri Mendeleev predicted 6 undiscovered elements and their properties
(properties video)
Periodic Table was rearranged by Henry Moseley by atomic numbers in 1913

5. Modern Periodic Table Organization
Groups or Families (columns) - 18
Periods (rows) - 7

6. Organization Metals (left side) Non-metals (right side)
Metalloids (stairstep)
B, Si, Ge, As, Sb, Te, At, Po

7. Group names
Group 1 – Alkali Metals
Group 2 – Alkaline Earth Metals

8. Group names Group 3 -12 Transition metals Group 13 - Boron family
Group 14 – Carbon family
Group 15 – Nitrogen family
Group 16 – Oxygen family

9. Group names
Group 17 – Halogens
Group 18 – Noble Gases

10. Other Lanthanide Series - top row below periodic table
Actinide Series - bottom row below periodic table

11. Group Alkali Metals
Group Alkaline Earth Metals
Group 13 - Boron family
Group 14 – Carbon family
Group 15 – Nitrogen family
Group 16 – Oxygen family
Group 17 – Halogens
Group 18 – Noble (Inert) Gases

13. Building your element Take atomic radius and divide by 23.
Cut out 5 circles with this radius.
Make _____ tick marks around the outside of each circle. Use your radius size to space them out evenly.
Staple / hot glue your sides together.