Properties of K:

Property Name Value Unit Comments Reference
ΔH interface M in O (Miedema) -283 (kJmol-1) 13823
ΔH interface O in M (Miedema) -363 (kJmol-1) 13823
ΔH interface S in M -429 (kJmol-1) 13823
Δinterface M in S (Miedema) -237 (kJmol-1) 13823
γ-free electron to specific heat 2,08 (mJmol-1K-2) 13823
Atomic concentration 1,402 (1023 m-3) 13823
Atomic electron scattering factor at 0.5 0,43 13823
Atomic environment number (Villars, Daams) 14 13823
Atomic number start counting left top, left-right sequence 19 13823
Atomic weight 39,098 (10-3 kg) 13823
Atomic weight 39,0983 (10-3 kg) 14358
Atomic weight 39,102 (10-3 kg) 17061
Boiling temperature 1033 (K) 19178
Boiling temperature 1032 (K) 19178
Boiling temperature 1047 (K) 13823
Bulk modulus 0 (GPa) 13823
Charge nuclear effective (Clementi) 3,5 13823
Chemical potential (Miedema) 2,25 13823
Compression modulus 0,032 (GPa) 13823
Conductivity electrical 15 (104 Ohm-1cm-1) 13823
Conductivity thermal 102 (Jmol-1K-1) 13823
Debye temperature 91 (K) 13823
Density 862 (kgm-3) 13823
Density 890 (kgm-3) 20518
Distance to core electron (Schubert) 1,32 (A) 13823
Distance to valence electron (Schubert) 4,6 (A) 13823
Electrochemical weight equivalent 0,40514 (mgK-1) 13823
Electron affinity 48,4 (kJmol-1) 13823
Electronegativity (Alfred-Rochow) 0,91 13823
Electronegativity (Martynov&Batsanov) 0,8 13823
Electronegativity (Pauling) 0,8 13823
Electronegativity absolute 2,42 13823
Energy cohesive (Brewer) 0,93 (Jmol-1) 13823
Energy of ionization (first) 418,8 (kJmol-1) 13823
Energy of ionization (second) 3051 (kJmol-1) 13823
Energy of ionization (third) 4411 (kJmol-1) 13823
Enthalpy of atomization 89,2 (kJmol-1) 13823
Enthalpy of melting 2,39 (kJmol-1) 13823
Enthalpy of surface (Miedema) 23 (kJmol-1) 13823
Enthalpy of vacancies (Miedema) 24 (kJmol-1) 13823
Enthalpy of vaporization 79,1 (kJmol-1) 13823
Enthalpy of vaporization 76,9 (kJmol-1) 19178
Enthalpy of vaporization 77,5 (kJmol-1) 19178
Entropy of solid 64,43485 (Jmol-1K-1) 13823
Group number 1 13823
Hardness (Brinell) 0,363 [MPa] 13823
Linear thermal expansion coefficient 83 (10-6K-1) 13823
Magnetic frequency of nuclei 4,667 13823
Magnetic resonance 1,9864 (MHz) 13823
Magnetic susceptibility 0,0000000067 (m3kg-1) 13823
Mass attenuation coefficient FeKα 266 (cm2g-1) 13823
Mass attenuation coefficient for CrKα 417 (cm2g-1) 13823
Mass attenuation coefficient for CuKα 143 (cm2g-1) 13823
Mass attenuation coefficient for MoKα 15,8 (cm2g-1) 13823
Melting temperature 337 (K) 13823
Mendeleev chemists sequence 6 13823
Mendeleev d-t start left 4 13823
Mendeleev d-t start right 100 13823
Mendeleev H d-t start left 4 13823
Mendeleev H d-t start right 101 13823
Mendeleev H t-d start left 3 13823
Mendeleev H t-d start right 100 13823
Mendeleev Pettifor 10 13823
Mendeleev Pettifor regular 10 13823
Mendeleev t-d start left 4 13823
Mendeleev t-d start right 100 13823
Modulus of rigidity 1,3 (GPa) 13823
Modulus of rigidity 66,7 (GPa) 17061
Molar heat capacity 29,58 (Jmol-1K-1) 13823
Molar heat capacity 29,6 (Jmol-1K-1) 20518
Moment nuclear magnetic 0,391 (mu) 13823
Nuclear charge effective (Slater) 2,2 13823
nWS^(1/3) (Miedema) 0,65 (a.u.-1/3) 13823
Oxidation state (first) 1 13823
Periodic number start counting bottom right, right-left sequence 85 13823
Periodic number start counting left bottom, left-right sequence 68 13823
Periodic number start counting top right, right-left sequence 36 13823
Poisson's ratio 0,35 13823
Quantum number 4 13823
Radii covalent 203 (pm) 13823
Radii metal (Waber) 2,376 (A) 13823
Radii pseudo-potential (Zunger) 3,69 13823
Resistivity electrical 6,15 (10-8 Ohmm) 13823
Sound velocity 2000 (ms-1) 13823
Spectral lines no 87 13823
Spin nuclei 1,5 (h) 13823
Surface tension at Tm 130 (mJm-2) 13823
Thermal neutron capture cross section 2,1 (barns) 13823
V^(2/3) (Miedema) 12,17 (cm2) 13823
Valence electron number 1 13823
Vapour pressure at Tm 0,000106 (Nm-2) 13823
Volume of atom (Villars, Daams) 7,572 (10-2 nm3) 13823
Work function 2,2 (eV) 13823
Young's modulus 3,5 (GPa) 13823

Radii Ionic properties of K:

Property Name Charge CN Value Unit Comments Reference
Radii ionic (Bokii & Belov) 1 1,33 (Å) 13824
Radii ionic (Goldsmidt) 1 1,33 (Å) 13824
Radii ionic (Pauling) 1 1,33 (Å) 13824
Radii ionic (Yagoda) 1 1,33 (Å) 13824
Radii ionic (Shannon) 1 4 1,37 (Å) 13826
Radii ionic (Shannon) 1 6 1,38 (Å) 13826
Radii ionic (Shannon) 1 7 1,46 (Å) 13826
Radii ionic (Shannon) 1 8 1,51 (Å) 13826
Radii ionic (Shannon) 1 9 1,55 (Å) 13826
Radii ionic (Shannon) 1 10 1,59 (Å) 13826
Radii ionic (Shannon) 1 12 1,64 (Å) 13826
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