--- RESEARCH AND DEVELOPMENT ---
NEW GREEN CIVILIZATION
Calcium
Ca
20
Chlor
Cl
17
Fluor
F
9
Kalium
K
19
Kohlenstoff
C
6
Natrium
Na
11
Phosphor
P
15
Sauerstoff
O
8
Schwefel
S
16
Stickstoff
N
7
Wasserstoff
H
1