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下载化学应用程序以查看有关化学元素的更多信息:

下载于App Store下载于Mac App Store穿上它Google Play原子序数59族VB元素周期6质量140.90765拉丁名Praseodymium电子排布[Xe]4f3 6s2氧化态0, 2, 3, 4, 5