Lityum, sodyum, potasyum, rubidyum, sezyum ve fransiyum; alkali metallerdir.
- Lithium, sodium, potassium, rubidium, caesium and francium are alkali metals.
Bedenlerimizde potasyumumuz var.
- We have potassium in our bodies.
... a compound made of potassium, nitrogen, and oxygen. ...