Template:Infobox element/symbol-to-top-image-caption
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| Ra=Radium electroplated on a very small sample of copper foil and covered with polyurethane to prevent reaction with the air |
| Ra=Radium electroplated on a very small sample of copper foil and covered with polyurethane to prevent reaction with the air |
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| Ac= |
| Ac= |
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| Th=A thin square of thorium metal in a glass ampoule |
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| Th= |
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| Pa=Sample of protactinium-231 in a glass vial |
| Pa=Sample of protactinium-231 in a glass vial |
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| U = |
| U = |
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| Np= |
| Np= |
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| Pu=A sample of plutonium metal, shaped like a ring to prevent [[Criticality (status)|nuclear criticality]] |
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| Pu= |
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| Am=A small disc of americium-241 metal under a microscope |
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| Am= |
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| Cm=A piece of curium metal in a quartz tube |
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| Cm= |
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| Bk= |
| Bk= |
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| Cf= |
| Cf= |
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| Es=A vial of solid einsteinium-253 glowing due to its own intense radiation |
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| Es= |
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| Fm= |
| Fm= |
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| Md= |
| Md= |
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