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111 Rg Roentgenium (plaintext) |
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H He |
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Li Be B C N O F Ne |
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Na Mg Al Si P S Cl Ar |
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K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr |
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Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe |
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Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn |
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Fr Ra Ac Rf Db Sg Bh Hs Mt Ds[Rg]Cn Nh Fl Mc Lv Ts Og |
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Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu |
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Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr |
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|111 ____ | |
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| | _ \ __ _ | |
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| | |_) / _` | | |
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| | _ < (_| | | |
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| |___/ | |
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| Roentgenium | |
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| 282.169 u | |
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Wiki Article: Roentgenium |
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Electron Configuration: [Rn]7s2 5f14 6d9 ** |
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Electronegativity: |
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Atomic Radius: |
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Ionization Energy: |
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Electron Affinity: |
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Oxidation States: 5, 3, 1, -1 |
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Standard State: Solid ** |
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Melting Point: |
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Boiling Point: |
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Density: |
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Family: Transition metal |
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Year Discovered: 1994 |
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Number of Neutrons: 161 |
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Number of Protons: 111 |
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Number of Electrons: 111 |
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Number of Valence: |
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Valency: |
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Group: 11 |
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Period: 7 |
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Shell: d-shell |
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Specific Heat: |
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Radioactive: 1 |
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Occurrence: Synthetic |
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Source: Human-made |
