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76 Os Osmium (plaintext)
H He
Li Be B C N O F Ne
Na Mg Al Si P S Cl Ar
K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
Cs Ba La Hf Ta W Re[Os]Ir Pt Au Hg Tl Pb Bi Po At Rn
Fr Ra Ac Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu
Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr
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| 76 ___ |
| / _ \ ___ |
| | | | / __| |
| | |_| \__ \ |
| \___/|___/ |
| |
| Osmium |
| 190.2 u |
+--------------------+
Wiki Article: Osmium
Electron Configuration: [Xe]6s2 4f14 5d6
Electronegativity: 2.2
Atomic Radius: 216 pm
Ionization Energy: 8.7 eV
Electron Affinity: 1.1 eV
Oxidation States: +4, +3
Standard State: Solid
Melting Point: 3306 K
Boiling Point: 5285 K
Density: 22.57 g/cm3
Family: Transition metal
Year Discovered: 1803
Number of Neutrons: 114
Number of Protons: 76
Number of Electrons: 76
Number of Valence:
Valency:
Group: 8
Period: 6
Shell: d-shell
Specific Heat: 0.130 J/g K
Radioactive: 0
Occurrence: Natural
Source: Merging neutron stars
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