
원자 번호 19번의 화학 원소로, 알칼리 금속 그룹에 속하는 부드러운 은백색의 반응성 금속.
The chemical element of atomic number 19, a soft silvery-white reactive metal of the alkali metal group.
예문:
"Bananas are a well-known dietary source of potassium, which helps maintain healthy blood pressure."
"Potassium reacts violently with water, producing hydrogen gas and a strong alkaline solution."
"The doctor recommended increasing his potassium intake to prevent muscle cramps during exercise."