zemno alkalni metal

zemno alkalni metal

Element u drugoj koloni periodnog sistema elemenata

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行业/领域：天文学
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Company: Caltech
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alkalni

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Having a pH greater than 7.

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行业/领域：艺术与工艺类别油画

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The Mona Lisa is widely recognized as one of the most famous paintings in the history of art. It is a half-length portrait of a seated woman painted ...