69 Tm Thulium (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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| Thulium | | |
| 168.93422 u | | |
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Wiki Article: Thulium | |
Electron Configuration: [Xe]6s2 4f13 | |
Electronegativity: 1.25 | |
Atomic Radius: 227 pm | |
Ionization Energy: 6.184 eV | |
Electron Affinity: | |
Oxidation States: 3 | |
Standard State: Solid | |
Melting Point: 1818 K | |
Boiling Point: 2223 K | |
Density: 9.32 g/cm3 | |
Family: Lanthanide | |
Year Discovered: 1879 | |
Number of Neutrons: 100 | |
Number of Protons: 69 | |
Number of Electrons: 69 | |
Number of Valence: | |
Valency: | |
Group: | |
Period: 6 | |
Shell: f-shell | |
Specific Heat: 0.160 J/g K | |
Radioactive: 0 | |
Occurrence: Natural | |
Source: Merging neutron stars |