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oganesson
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oganesson
Encyclopedia
理学
放射性元素
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oganesson
人工放射性元素,元素符号Og,原子序数118,半衰期最长的同位素的质量数294。属周期系0族,是已知最重的元素。为向曾领导多个超重元素发现研究的俄罗斯核物理学家Y.Z.奥加涅相[注]致敬而命名。曾被称为118号元素(ununoctium),符号Uuo。
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