How many elements can you name without looking at the periodic table of elements

I can name up to 75. :)

Zinc
Argon
Krypton
Oxygen
Hydrogen
Neon
Arsenic
Uranium
Antimony
Mercury
Silver
Nickel
Gold
Lead
Lithium
Nitrogen
Helium
Sodium (?)
Bromine
Germanium
Francium

(keeping in mind that I am not in high school yet and have never learned Chemistry before :()
1.Lead
2.Carbon
3.Hydrogen
4.Oxygen
5.Copper
6.Iron
7.Krypton
8.Nickel
9.Tin
10.Sodium
11. Chlorine
12.Calcium
13. Boron
14. Magnesium
15.Berrilium
16. Zinc
17. Titanium
18. Aluminum
19.Silicon
20. Silver
21.Argon

That's all. Nice score :)
20.