Periyodik Cetvelli Kimya Saati
Keywords
periodic table,
periodic table,
chemistry,
hours,
hydrogen,
helium,
lithium,
beryllium,
boron,
carbon,
nitrogen,
oxygen,
fer,
neon,
sodium,
magnesium,
silicon,
brimstone,
cles,
argon,
potassium,
calcium,
titanium,
vanadium,
chrome