60 Neodymium 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 +--------------------+ | 60 _ _ _ | | | \ | | __| | | | | \| |/ _` | | | | |\ | (_| | | | |_| \_|\__,_| | | | | Neodymium | | 144.24 u | +--------------------+ Electron Configuration: [Xe]6s2 4f4 Electronegativity: 1.14 Atomic Radius: 229 pm Ionization Energy: 5.525 eV Electron Affinity: Oxidation States: 3 Standard State: Solid Melting Point: 1294 K Boiling Point: 3347 K Density: 7.01 g/cm3 Family: Lanthanide Year Discovered: 1885 Number of Neutrons: 84 Number of Protons: 60 Number of Electrons: 60 Number of Valence: Valency: Group: Period: 6 Shell: f-shell Specific Heat: 0.190 J/g K Radioactive: 0 Occurrence: Natural Source: Dying low-mass stars Source: Merging neutron stars