Periodic*
Table Basics
The Search for Patterns
Periodic means “occurring at
regular or predictable intervals .”
T. Tomm 2011 http://sciencespot.net/
1. What do you notice about the number of valence
electrons for the elements in the far left column?
2. What do you notice about the number of valence
electrons for the elements in the far right column?
3. How many valence electrons does each atom have?
Na ___ Mg ___ Al ___ Si ___ P ___ S ___ Cl ___ Ar ___
4. What do you notice about the number of valence electrons as you move
from left to right across the second and third row or period in the periodic
table?
Na Mg Al Si P S Cl Ar
5. Does this same pattern of valence electrons apply to rows 4-7? Explain.
6. How many energy levels does each atom have?
H = ____
Li = ____
Na = ____
7. What do you notice about the number of energy
levels or shells as you move down the first column in
the periodic table?
H  Li  Na  K  Rb  Ca Fr
8. Does this same pattern with energy levels apply to
the last column? Explain.
9. In what family would each of these elements be classified? How many valence
electrons does it have?
Tin - ____________________ ____
Iodine - ____________________ ____
Cesium - ____________________ ____
Gold - ____________________ ____
Lead - ____________________ ____
Argon - ____________________ ____
Antimony - ____________________ ____
Add to your table?
Radium - ____________________ ____
10. What do the terms Lanthanide and Actinide mean? Into what family/group do they
belong?
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11. How many elements were classified into each group below?
Nonmetals = _____
Metalloids = ______
Metals = ______
12. How many elements would be found in each phase (at room temperature)?
Gases= _____
Liquids= ______
Solids= ______
Challenge: In what family would you classify hydrogen? Explain your choice.
Quick Quiz
1. If Element A has 1 valence electron,
How many would Element G have? _____
How many would Element C have? _____
2. If Element I has 5 valence electrons,
How many would Element E have? _____
A
D
G
B
E
H
C
F
I
How many would Element C have? _____
3. If Element D has 3 energy levels,
4. If Element A has 2 energy levels,
How many would Element G have? _____
How many would Element E have? _____
How many would Element A have? _____
How many would Element H have? _____
Ready for a challenge? Go to https://www.quia.com/rr/28438.html
for the Periodic Table Smillionaire!
Periodic Table Smillionaires