Properties of Tc:

Property Name Value Unit Comments Reference
ΔH interface M in O (Miedema) -556 (kJmol-1) 13823
ΔH interface O in M (Miedema) -217 (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 7,04 (1023 m-3) 13823
Atomic electron scattering factor at 0.5 1,99 13823
Atomic environment number (Villars, Daams) 12 13823
Atomic number start counting left top, left-right sequence 43 13823
Atomic weight 98 (10-3 kg) 13823
Boiling temperature 4538 (K) 20518
Boiling temperature 5150 (K) 13823
Bulk modulus 0 (GPa) 13823
Charge nuclear effective (Clementi) 7,23 13823
Chemical potential (Miedema) 5,3 13823
Compression modulus 2,97 (GPa) 13823
Conductivity electrical 5,9 (104 Ohm-1cm-1) 13823
Conductivity thermal 50,6 (Jmol-1K-1) 13823
Debye temperature 453 (K) 13823
Density 11500 (kgm-3) 13823
Density 11000 (kgm-3) 20518
Distance to core electron (Schubert) 0,86 (A) 13823
Distance to valence electron (Schubert) 1,35 (A) 13823
Electrochemical weight equivalent 0,14478 (mgK-1) 13823
Electron affinity 96 (kJmol-1) 13823
Electronegativity (Alfred-Rochow) 1,36 13823
Electronegativity (Martynov&Batsanov) 2,18 13823
Electronegativity (Pauling) 1,9 13823
Electronegativity absolute 3,91 13823
Energy cohesive (Brewer) 6,85 (Jmol-1) 13823
Energy of ionization (first) 702,4 (kJmol-1) 13823
Energy of ionization (second) 1472 (kJmol-1) 13823
Energy of ionization (third) 2850 (kJmol-1) 13823
Enthalpy of atomization 678 (kJmol-1) 13823
Enthalpy of melting 23,8 (kJmol-1) 13823
Enthalpy of surface (Miedema) 186 (kJmol-1) 13823
Enthalpy of vacancies (Miedema) 195 (kJmol-1) 13823
Enthalpy of vaporization 585,2 (kJmol-1) 13823
Entropy of solid 33,4944 (Jmol-1K-1) 13823
Group number 7 13823
Hardness (Brinell) 0 [MPa] 13823
Linear thermal expansion coefficient 0 (10-6K-1) 13823
Magnetic frequency of nuclei 22,508 13823
Magnetic resonance 9,5832 (MHz) 13823
Magnetic susceptibility 0,000000031 (m3kg-1) 13823
Mass attenuation coefficient FeKα 316 (cm2g-1) 13823
Mass attenuation coefficient for CrKα 485 (cm2g-1) 13823
Mass attenuation coefficient for CuKα 172 (cm2g-1) 13823
Mass attenuation coefficient for MoKα 19,7 (cm2g-1) 13823
Melting temperature 2445 (K) 13823
Melting temperature 2430 (K) 20518
Mendeleev chemists sequence 65 13823
Mendeleev d-t start left 56 13823
Mendeleev d-t start right 48 13823
Mendeleev H d-t start left 55 13823
Mendeleev H d-t start right 49 13823
Mendeleev H t-d start left 55 13823
Mendeleev H t-d start right 49 13823
Mendeleev Pettifor 59 13823
Mendeleev Pettifor regular 59 13823
Mendeleev t-d start left 56 13823
Mendeleev t-d start right 48 13823
Modulus of rigidity 0 (GPa) 13823
Molar heat capacity 25,88 (Jmol-1K-1) 13823
Moment nuclear magnetic 1 (mu) 13823
Nuclear charge effective (Slater) 3,6 13823
nWS^(1/3) (Miedema) 1,81 (a.u.-1/3) 13823
Oxidation state (first) 4 13823
Periodic number start counting bottom right, right-left sequence 61 13823
Periodic number start counting left bottom, left-right sequence 56 13823
Periodic number start counting top right, right-left sequence 48 13823
Poisson's ratio 0 13823
Quantum number 5 13823
Radii covalent 127 (pm) 13823
Radii metal (Waber) 1,36 (A) 13823
Radii pseudo-potential (Zunger) 2,65 13823
Resistivity electrical 22,6 (10-8 Ohmm) 13823
Sound velocity 0 (ms-1) 13823
Spectral lines no 100 13823
Spin nuclei 2,5 (h) 13823
Surface tension at Tm 3150 (mJm-2) 13823
Thermal neutron capture cross section 22 (barns) 13823
V^(2/3) (Miedema) 4,21 (cm2) 13823
Valence electron number 7 13823
Vapour pressure at Tm 0,0229 (Nm-2) 13823
Volume of atom (Villars, Daams) 1,43 (10-2 nm3) 13823
Work function 0 (eV) 13823
Young's modulus 0 (GPa) 13823

Radii Ionic properties of Tc:

Property Name Charge CN Value Unit Comments Reference
Radii ionic (Yagoda) 2 0,95 (Å) 13824
Radii ionic (Yagoda) 4 0,72 (Å) 13824
Radii ionic (Yagoda) 7 0,57 (Å) 13824
Radii ionic (Shannon) 4 6 0,645 (Å) 13826
Radii ionic (Shannon) 5 6 0,6 (Å) 13826
Radii ionic (Shannon) 7 4 0,37 (Å) 13826
Radii ionic (Shannon) 7 6 0,56 (Å) 13826