Properties of Eu:

Property Name Value Unit Comments Reference
ΔH interface M in O (Miedema) -863 (kJmol-1) 13823
ΔH interface O in M (Miedema) -575 (kJmol-1) 13823
ΔH interface S in M -446 (kJmol-1) 13823
Δinterface M in S (Miedema) -446 (kJmol-1) 13823
γ-free electron to specific heat 0 (mJmol-1K-2) 13823
Atomic concentration 2,04 (1023 m-3) 13823
Atomic electron scattering factor at 0.5 2,68 13823
Atomic environment number (Villars, Daams) 4 13823
Atomic number start counting left top, left-right sequence 63 13823
Atomic weight 151,965 (10-3 kg) 13823
Boiling temperature 1870 (K) 13823
Boiling temperature 1713 (K) 19178
Boiling temperature 1873 (K) 19178
Boiling temperature 1802 (K) 19178
Boiling temperature 1829 (K) 5391
Bulk modulus 8,3 (GPa) 13823
Charge nuclear effective (Clementi) 8,11 13823
Chemical potential (Miedema) 3,2 13823
Compression modulus 0,147 (GPa) 13823
Conductivity electrical 1,23 (104 Ohm-1cm-1) 13823
Conductivity thermal 13,9 (Jmol-1K-1) 13823
Debye temperature 118 (K) 20518
Density 5243 (kgm-3) 13823
Density 5244 (kgm-3) bcc, 297 K 20518
Distance to core electron (Schubert) 1,1 (A) 13823
Distance to valence electron (Schubert) 2,29 (A) 13823
Electrochemical weight equivalent 0,52504 (mgK-1) 13823
Electron affinity 50 (kJmol-1) 13823
Electronegativity (Alfred-Rochow) 1,01 13823
Electronegativity (Martynov&Batsanov) 1,15 13823
Electronegativity (Pauling) 1 13823
Electronegativity absolute 3,1 13823
Energy cohesive (Brewer) 1,86 (Jmol-1) 13823
Energy of ionization (first) 547,1 (kJmol-1) 13823
Energy of ionization (second) 1086 (kJmol-1) 13823
Energy of ionization (third) 2425 (kJmol-1) 13823
Enthalpy of atomization 175,3 (kJmol-1) 13823
Enthalpy of atomization 177,8 (kJmol-1) 5391
Enthalpy of melting 9,213 (kJmol-1) 5391
Enthalpy of melting 10,5 (kJmol-1) 13823
Enthalpy of melting 9,55 (kJmol-1) 18453
Enthalpy of surface (Miedema) 59 (kJmol-1) 13823
Enthalpy of vacancies (Miedema) 63 (kJmol-1) 13823
Enthalpy of vaporization 176 (kJmol-1) 13823
Entropy of solid 71,1756 (Jmol-1K-1) 13823
Entropy of solid 77,81 (Jmol-1K-1) 18453
Group number 3 13823
Hardness (Brinell) 0 [MPa] 13823
Linear thermal expansion coefficient 40 (10-6K-1) 13823
Linear thermal expansion coefficient 35 (10-6K-1) 20518
Magnetic frequency of nuclei 24,801 13823
Magnetic resonance 10,35 (MHz) 13823
Magnetic susceptibility 0,00000281 (m3kg-1) 13823
Mass attenuation coefficient FeKα 193 (cm2g-1) 13823
Mass attenuation coefficient for CrKα 299 (cm2g-1) 13823
Mass attenuation coefficient for CuKα 425 (cm2g-1) 13823
Mass attenuation coefficient for MoKα 61,5 (cm2g-1) 13823
Melting temperature 1095 (K) 13823
Mendeleev chemists sequence 37 13823
Mendeleev d-t start left 29 13823
Mendeleev d-t start right 76 13823
Mendeleev H d-t start left 28 13823
Mendeleev H d-t start right 77 13823
Mendeleev H t-d start left 27 13823
Mendeleev H t-d start right 76 13823
Mendeleev Pettifor 18 13823
Mendeleev Pettifor regular 28 13823
Mendeleev t-d start left 28 13823
Mendeleev t-d start right 75 13823
Modulus of rigidity 7,9 (GPa) 13823
Molar heat capacity 27,65 (Jmol-1K-1) 5391
Molar heat capacity 27,66 (Jmol-1K-1) 13823
Moment nuclear magnetic 1,521 (mu) 13823
Nuclear charge effective (Slater) 2,85 13823
nWS^(1/3) (Miedema) 1,21 (a.u.-1/3) 13823
Oxidation state (first) 2 13823
Periodic number start counting bottom right, right-left sequence 41 13823
Periodic number start counting left bottom, left-right sequence 26 13823
Periodic number start counting top right, right-left sequence 78 13823
Poisson's ratio 0,152 13823
Quantum number 6 13823
Radii covalent 185 (pm) 13823
Radii metal (Waber) 1,799 (A) 13823
Radii pseudo-potential (Zunger) 3,94 13823
Resistivity electrical 90 (10-8 Ohmm) 13823
Sound velocity 0 (ms-1) 13823
Spectral lines no 272 13823
Spin nuclei 2,5 (h) 13823
Surface tension at Tm 450 (mJm-2) 13823
Thermal neutron capture cross section 4600 (barns) 13823
V^(2/3) (Miedema) 7,36 (cm2) 13823
Valence electron number 3 13823
Vapour pressure at Tm 144 (Nm-2) 13823
Volume of atom (Villars, Daams) 4,813 (10-2 nm3) 13823
Work function 2,5 (eV) 13823
Young's modulus 18,2 (GPa) 13823

Radii Ionic properties of Eu:

Property Name Charge CN Value Unit Comments Reference
Radii ionic (Bokii & Belov) 3 0,97 (Å) 13824
Radii ionic (Goldsmidt) 3 1,13 (Å) 13824
Radii ionic (Yagoda) 3 1,01 (Å) 13824
Radii ionic (Shannon) 2 6 1,17 (Å) 13826
Radii ionic (Shannon) 2 7 1,2 (Å) 13826
Radii ionic (Shannon) 2 8 1,25 (Å) 13826
Radii ionic (Shannon) 2 9 1,3 (Å) 13826
Radii ionic (Shannon) 2 10 1,35 (Å) 13826
Radii ionic (Shannon) 3 6 0,947 (Å) 13826
Radii ionic (Shannon) 3 7 1,01 (Å) 13826
Radii ionic (Shannon) 3 8 1,066 (Å) 13826
Radii ionic (Shannon) 3 9 1,12 (Å) 13826