Properties of Ac:

Property Name Value Unit Comments Reference
ΔH interface M in O (Miedema) 0 (kJmol-1) 13823
ΔH interface O in M (Miedema) 0 (kJmol-1) 13823
ΔH interface S in M 0 (kJmol-1) 13823
Δinterface M in S (Miedema) 0 (kJmol-1) 13823
γ-free electron to specific heat 0 (mJmol-1K-2) 13823
Atomic concentration 2,66 (1023 m-3) 13823
Atomic electron scattering factor at 0.5 3,49 13823
Atomic environment number (Villars, Daams) 12 13823
Atomic number start counting left top, left-right sequence 89 13823
Atomic weight 227,028 (10-3 kg) 13823
Boiling temperature 3470 (K) 13823
Bulk modulus 0 (GPa) 13823
Charge nuclear effective (Clementi) 9 13823
Chemical potential (Miedema) 0 13823
Compression modulus 0,25 (GPa) 13823
Conductivity electrical 0 (104 Ohm-1cm-1) 13823
Conductivity thermal 0 (Jmol-1K-1) 13823
Debye temperature 0 (K) 13823
Density 10060 (kgm-3) 13823
Distance to core electron (Schubert) 1,16 (A) 13823
Distance to valence electron (Schubert) 2,63 (A) 13823
Electrochemical weight equivalent 0,78411 (mgK-1) 13823
Electron affinity 50 (kJmol-1) 13823
Electronegativity (Alfred-Rochow) 1 13823
Electronegativity (Martynov&Batsanov) 1,1 13823
Electronegativity (Pauling) 1,1 13823
Electronegativity absolute 5,3 13823
Energy cohesive (Brewer) 4,25 (Jmol-1) 13823
Energy of ionization (first) 474,6 (kJmol-1) 13823
Energy of ionization (second) 1065 (kJmol-1) 13823
Energy of ionization (third) 1634 (kJmol-1) 13823
Enthalpy of atomization 406 (kJmol-1) 13823
Enthalpy of melting 10,5 (kJmol-1) 13823
Enthalpy of surface (Miedema) 0 (kJmol-1) 13823
Enthalpy of vacancies (Miedema) 0 (kJmol-1) 13823
Enthalpy of vaporization 293 (kJmol-1) 13823
Entropy of solid 62,802 (Jmol-1K-1) 13823
Entropy of solid 61,9 (Jmol-1K-1) 18453
Entropy of solid 56,5 (Jmol-1K-1) 20518
Group number 3 13823
Hardness (Brinell) 0 [MPa] 13823
Linear thermal expansion coefficient 0 (10-6K-1) 13823
Magnetic frequency of nuclei 13,1 13823
Magnetic resonance 1 (MHz) 13823
Magnetic susceptibility 0 (m3kg-1) 13823
Mass attenuation coefficient FeKα 0 (cm2g-1) 13823
Mass attenuation coefficient for CrKα 0 (cm2g-1) 13823
Mass attenuation coefficient for CuKα 0 (cm2g-1) 13823
Mass attenuation coefficient for MoKα 120 (cm2g-1) 13823
Melting temperature 1323 (K) 13823
Melting temperature 1500 (K) 5383
Mendeleev chemists sequence 22 13823
Mendeleev d-t start left 14 13823
Mendeleev d-t start right 87 13823
Mendeleev H d-t start left 13 13823
Mendeleev H d-t start right 88 13823
Mendeleev H t-d start left 16 13823
Mendeleev H t-d start right 91 13823
Mendeleev Pettifor 48 13823
Mendeleev Pettifor regular 47 13823
Mendeleev t-d start left 17 13823
Mendeleev t-d start right 90 13823
Modulus of rigidity 0 (GPa) 13823
Molar heat capacity 27,2 (Jmol-1K-1) 13823
Moment nuclear magnetic 1 (mu) 13823
Nuclear charge effective (Slater) 1,8 13823
nWS^(1/3) (Miedema) 0 (a.u.-1/3) 13823
Oxidation state (first) 3 13823
Periodic number start counting bottom right, right-left sequence 15 13823
Periodic number start counting left bottom, left-right sequence 3 13823
Periodic number start counting top right, right-left sequence 101 13823
Poisson's ratio 0 13823
Quantum number 7 13823
Radii covalent 203 (pm) 13823
Radii metal (Waber) 1,878 (A) 13823
Radii pseudo-potential (Zunger) 3,12 13823
Resistivity electrical 0 (10-8 Ohmm) 13823
Sound velocity 0 (ms-1) 13823
Spectral lines no 7 13823
Spin nuclei 3 (h) 13823
Surface tension at Tm 0 (mJm-2) 13823
Thermal neutron capture cross section 1 (barns) 13823
V^(2/3) (Miedema) 0 (cm2) 13823
Valence electron number 3 13823
Vapour pressure at Tm 0 (Nm-2) 13823
Volume of atom (Villars, Daams) 4,557 (10-2 nm3) 13823
Work function 2,7 (eV) 13823
Young's modulus 0 (GPa) 13823

Radii Ionic properties of Ac:

Property Name Charge CN Value Unit Comments Reference
Radii ionic (Bokii & Belov) 3 1,11 (Å) 13824
Radii ionic (Yagoda) 3 1,14 (Å) 13824
Radii ionic (Shannon) 3 6 1,12 (Å) 13826
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