Periodic Table

A photo of my Periodic table:

The First 20 Elements of the Periodic Table:

1. Hydrogen (H)
2. Helium (He)
3. Lithium (Li)
4. Beryllium (Be)
5. Boron (B)
6. Carbon (C)
7. Nitrogen (N)
8. Oxygen (O)
9. Fluorine (F)
10. Neon (Ne)
11. Sodium (Na)
12. Magnesium (Mg)
13. Aluminum (Al)
14. Silicon (Si)
15. Phosphorus (P)
16. Sulfur (S)
17. Chlorine (Cl)
18. Argon (Ar)
19. Potassium (K)
20. Calcium (Ca)

The number of shells in each period:

In Period 1 there is 1 electron circle thing and when your electron circle is filled you add a circle each time.

How many shells are in each period:

2 in the first period, and 8 for every other period.

Patterns/trends you see:

You add 1 for every element you add up.