What Group?
Calcium
What is 2
C
What is Carbon
Maggnesium
What is Mg
Helium
What is 4.002602
Oxygen
What is 8
Iron
What is 8
Au
What is Gold
Iron
What is Fe
Oxygen
What is 15.999
Nitrogen
What is 7
Iodine
What is 17
Cl
What is Chlorine
Copper
What is Cu
Carbon
What is 12.011
Sodium
What is 11
Sulfur
What is 16
Sr
What is Strontium
Potassium
Hydrogen
What is 1.00794
Sillicon
What is 14
Rhenium
What is 7
Zr
What is Zirconium
Livermorium
What is Lv
Aluminium
What is 26.9815
Iron
What is 26