Коды для уровней:
- HYDROGEN
- HELIUM
- LITHIUM
- BERYLLIUM
- BORON
- CARBON
- NITROGEN
- OXYGEN
- FLOURINE
- NEON
- SODIUM
- MAGNESIUM
- ALUMINUM
- SILICON
- PHOSPHOROU
- SULFUR
- CHLORINE
- ARGON
- POTASSIUM
- CALCIUM
- SCANDIUM
- TITANIUM
- VANADIUM
- CHROMIUM
- MANGANESE
- IRON
- COBALT
- NICKEL
- COPPER
- ZINC