Elements 72-92 – Flashcards
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            | Hafnium | 
answer 
        | Hf | 
question  
            | Tantalum | 
answer 
        | Ta | 
question  
            | Tungsten | 
answer 
        | W | 
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            | Rhenium | 
answer 
        | Re | 
question  
            | Osmium | 
answer 
        | Os | 
question  
            | Iridium | 
answer 
        | Ir | 
question  
            | Platinum | 
answer 
        | Pt | 
question  
            | Gold | 
answer 
        | Au | 
question  
            | Mercury | 
answer 
        | Hg | 
question  
            | Thallium | 
answer 
        | Tl | 
question  
            | Lead | 
answer 
        | Pb | 
question  
            | Bismuth | 
answer 
        | Bi | 
question  
            | Polonium | 
answer 
        | Po | 
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            | Astatine | 
answer 
        | At | 
question  
            | Francium | 
answer 
        | Fr | 
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            | Radium | 
answer 
        | Ra | 
question  
            | Actinium | 
answer 
        | Ac | 
question  
            | Thorium | 
answer 
        | Th | 
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            | Protactinium | 
answer 
        | Pa | 
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            | Uranium | 
answer 
        | U |