Element names
Search a full element name such as sodium, magnesium, oxygen, chlorine, iron, copper, or silver.
Chemistry tool
Ion Charge Lookup
Enter an element name or symbol to find its common ionic charge, ion notation, and example compounds.
Element charge result
Sodium usually forms Na+
- Symbol
- Na
- Common ionic charges
- +1
- Common ions
- Na+
Sodium is an alkali metal, so it commonly loses one electron and forms a +1 ion.
Element symbols
Symbols work too. Try Na, Mg, O, Cl, Fe, Cu, Zn, Ag, or Pb.
When charges vary
For transition metals, check the compound name or Roman numeral before choosing the charge.