A soft, light, silvery-white, highly reactive chemical element, atomic number 19, belonging to the alkali metal group, which is present in…
| 单词 | θ68624 | 
| 释义 | the world > matter > chemistry > elements and compounds > metals > specific elements > potassium > 			[noun]		 (13)		 potassium1807 A soft, light, silvery-white, highly reactive chemical element, atomic number 19, belonging to the alkali metal group, which is present in… Subcategories:— 			naming form			(2)		 — 			compounds			(10)		  | 
	
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