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get acquainted through adult

2019-03-18 20:27


get acquainted through adult

Thorium - Wikipedia

Thorium - Wikipedia

Bulk properties. Thorium is a moderately soft, paramagnetic, bright silvery radioactive actinide metal. In the periodic table, it lies to the right of actinium, to When refined, uranium is a silvery white, weakly radioactive metal. It has a Mohs hardness of 6, sufficient to scratch glass and approximately equal to that of

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