Input interpretation
technetium (chemical element) | xenon (chemical element) | zirconium (chemical element)
Periodic table location
Periodic table location
Images
Images
Basic elemental properties
| technetium | xenon | zirconium atomic symbol | Tc | Xe | Zr atomic number | 43 | 54 | 40 short electronic configuration | [Kr]5s^24d^5 | [Kr]5s^24d^105p^6 | [Kr]5s^24d^2 Aufbau diagram | 4d 5s | 5p 4d 5s | 4d 5s block | d | p | d group | 7 | 18 | 4 period | 5 | 5 | 5 atomic mass | 98 u | 131.293 u | 91.224 u half-life | 0.21 Myr | (stable) | (stable)
Thermodynamic properties
| technetium | xenon | zirconium phase at STP | solid | gas | solid melting point | 2157 °C | -111.8 °C | 1855 °C boiling point | 4265 °C | -108 °C | 4409 °C critical temperature | | 289.77 K | (unknown) critical pressure | | 5.841 MPa | (unknown) molar heat of fusion | 23 kJ/mol | 2.3 kJ/mol | 21 kJ/mol molar heat of vaporization | 550 kJ/mol | 12.64 kJ/mol | 580 kJ/mol specific heat at STP | 63 J/(kg K) | 158.32 J/(kg K) | 278 J/(kg K) adiabatic index | | 5/3 | (properties at standard conditions)
Material properties
| technetium | xenon | zirconium density | 11.5 g/cm^3 | 0.0059 g/cm^3 | 6.511 g/cm^3 liquid density | | | 5.8 g/cm^3 molar volume | 8.5 cm^3/mol | 22000 cm^3/mol | 14.01 cm^3/mol Mohs hardness | | | 5 (≈ apatite) Vickers hardness | | | 903 MPa Brinell hardness | | | 650 MPa shear modulus | | | 33 GPa Young's modulus | | | 68 GPa Poisson ratio | | | 0.34 tensile yield strength | 1.29 GPa | | 230 MPa ultimate tensile strength | 1.51 GPa | | 330 MPa refractive index | | 1.000702 | (unknown) sound speed | | 1090 m/s | 3800 m/s thermal expansion | | | 5.7×10^-6 K^(-1) thermal conductivity | 51 W/(m K) | 0.00565 W/(m K) | 23 W/(m K) (properties at standard conditions)
Electromagnetic properties
| technetium | xenon | zirconium electrical type | conductor | | conductor resistivity | 2×10^-7 Ω m (ohm meters) | | 4.2×10^-7 Ω m (ohm meters) electrical conductivity | 5×10^6 S/m (siemens per meter) | | 2.4×10^6 S/m (siemens per meter) magnetic type | paramagnetic | diamagnetic | paramagnetic volume magnetic susceptibility | 3.933×10^-4 | -2.54×10^-8 | 1.09×10^-4 mass magnetic susceptibility | 3.42×10^-8 m^3/kg (cubic meters per kilogram) | -4.3×10^-9 m^3/kg (cubic meters per kilogram) | 1.68×10^-8 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 3.352×10^-9 m^3/mol (cubic meters per mole) | -5.65×10^-10 m^3/mol (cubic meters per mole) | 1.53×10^-9 m^3/mol (cubic meters per mole) work function | | | 4.05 eV (Polycrystalline) threshold frequency | | | 9.793×10^14 Hz (hertz) superconducting point | 7.8 K (kelvins) | | 0.61 K (kelvins) color | (silver) | (colorless) | (silver) refractive index | | 1.000702 | (unknown)
Reactivity
| technetium | xenon | zirconium valence | 6 | 6 | 4 electronegativity | 1.9 | 2.6 | 1.33 electron affinity | 53 kJ/mol (kilojoules per mole) | 0 kJ/mol (kilojoules per mole) | 41.1 kJ/mol (kilojoules per mole) first ionization energy | 702 kJ/mol (kilojoules per mole) | 1170.4 kJ/mol (kilojoules per mole) | 640.1 kJ/mol (kilojoules per mole) ionization energies | 702 kJ/mol | 1470 kJ/mol | 2850 kJ/mol | 1170.4 kJ/mol | 2046.4 kJ/mol | 3099.4 kJ/mol | 640.1 kJ/mol | 1270 kJ/mol | 2218 kJ/mol | 3313 kJ/mol | 7752 kJ/mol | 9500 kJ/mol
Reactivity
Atomic properties
| technetium | xenon | zirconium term symbol | ^6S_(5/2) | ^1S_0 | ^3F_2 atomic radius | 135 pm | 108 pm | 155 pm covalent radius | 147 pm | 140 pm | 175 pm van der Waals radius | | 216 pm | (unknown) (electronic ground state properties)
Abundances
| technetium | xenon | zirconium universe abundance | | 1×10^-6 mass% | 5×10^-6 mass% solar abundance | 0 mass% | | 4×10^-6 mass% meteorite abundance | 0 mass% | | 6.6×10^-4 mass% crust abundance | 0 mass% | 2×10^-9 mass% | 0.013 mass% ocean abundance | 0 mass% | 5×10^-10 mass% | 2.6×10^-9 mass% human abundance | 0 mass% | | 5×10^-6 mass% universe molar abundance | | 9×10^-9 mol% | 7×10^-8 mol% solar molar abundance | 0 mol% | | 5×10^-8 mol% meteorite molar abundance | 0 mol% | | 1.6×10^-4 mol% ocean molar abundance | 0 mol% | 2.4×10^-11 mol% | 1.8×10^-10 mol% crust molar abundance | 0 mol% | 3×10^-10 mol% | 0.003 mol% human molar abundance | 0 mol% | | 3×10^-7 mol%