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Ruthenium (Ru)▼◼◼◼noun[UK: ruː.ˈθiː.njəm] [US: ruː.ˈθiː.niːəm]
ruthenium▼◼◼◼noun[UK: ruː.ˈθiː.njəm] [US: ruː.ˈθiː.niːəm]
ruthenic▼[UK: ruːθˈenɪk] [US: ruːθˈenɪk]
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