Lithium, sodium, potassium, rubidium, caesium and francium are alkali metals.
- Lityum, sodyum, potasyum, rubidyum, sezyum ve fransiyum; alkali metallerdir.
Natural mineral water contains calcium, magnesium, sodium, potassium as well as nitrate.
- Doğal maden suyu kalsiyum, magnezyum, sodyum, potasyum ve ayrıca nitrat içerir.