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potassium
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化学元素,元素符号K,原子序数19,原子量39.0983(1),属周期系ⅠA族,碱土金属。
Astronomy
全称:potassium。缩写:K
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Chemistry
>无机化学>无机化学基本概念与无机化合物>释义
potassium
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