1. Cl Bellwork Atomic #: Atomic Mass: # of Protons: # of Neutrons:
# of Electrons:
Today:
Intro to Periodic Table
Periodic Table Foldable 17 Cl
Chlorine
35.45

2. Cl Bellwork Atomic #: 17 Atomic Mass: 35.45 # of Protons: 17
# of Neutrons: 17
# of Electrons: 17
Today:
Intro to Periodic Table
Periodic Table Foldable 17 Cl
Chlorine
35.45

3. Cut out all of pages for today’s foldable. Tape on 54
Last (bottom) page
TOP page

4. Color the groups

5. Columns
The vertical (up and down) columns of the periodic table (there are 18) are called groups or families.
Elements in the same group or family have similar characteristics or properties.

6. Rows The horizontal rows of the periodic table are called periods.
Elements in a period are not alike in properties.
The first element in a period is usually an active solid, and the last element in a period is always an inactive gas.

7. Rows
Atomic mass (number of protons) increases from left to right across a period.

8. Rows
Electrons are added one at a time moving from left to right across a period

9. Periodic Trends

10. Periodic Trends and Map

11. Complete the Periodic Table Foldable