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英英字典: atomic_number_19

atomic number 19   (TTS Sound)



Overview of noun atomic_number_19

The noun atomic number 19 has 1 sense


  • potassium, K, atomic number 19 -- (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)

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