atomic number 19   (TTS Sound)

The atomic_number_19 has 1 Senses.

• k, atomic number 19, potassium
• K, カリウム, 加里, カリ
• a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite
• アルカリ金属グループの軽い軟質の銀白金属元素