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gadolinium vs holmium

Input interpretation

gadolinium (chemical element) | holmium (chemical element)
gadolinium (chemical element) | holmium (chemical element)

Periodic table location

Periodic table location
Periodic table location

Images

Images
Images

Basic elemental properties

| gadolinium | holmium atomic symbol | Gd | Ho atomic number | 64 | 67 short electronic configuration | [Xe]6s^24f^75d^1 | [Xe]6s^24f^11 Aufbau diagram | 5d 4f 6s | 4f 6s block | f | f period | 6 | 6 atomic mass | 157.25 u | 164.93033 u half-life | (stable) | (stable)
| gadolinium | holmium atomic symbol | Gd | Ho atomic number | 64 | 67 short electronic configuration | [Xe]6s^24f^75d^1 | [Xe]6s^24f^11 Aufbau diagram | 5d 4f 6s | 4f 6s block | f | f period | 6 | 6 atomic mass | 157.25 u | 164.93033 u half-life | (stable) | (stable)

Thermodynamic properties

| gadolinium | holmium phase at STP | solid | solid melting point | 1313 °C | 1474 °C boiling point | 3250 °C | 2700 °C molar heat of fusion | 10 kJ/mol | 17 kJ/mol molar heat of vaporization | 305 kJ/mol | 265 kJ/mol specific heat at STP | 240 J/(kg K) | 165 J/(kg K) Néel point | | 132 K (properties at standard conditions)
| gadolinium | holmium phase at STP | solid | solid melting point | 1313 °C | 1474 °C boiling point | 3250 °C | 2700 °C molar heat of fusion | 10 kJ/mol | 17 kJ/mol molar heat of vaporization | 305 kJ/mol | 265 kJ/mol specific heat at STP | 240 J/(kg K) | 165 J/(kg K) Néel point | | 132 K (properties at standard conditions)

Material properties

| gadolinium | holmium density | 7.901 g/cm^3 | 8.795 g/cm^3 liquid density | 7.4 g/cm^3 | 8.34 g/cm^3 molar volume | 19.9 cm^3/mol | 18.75 cm^3/mol Mohs hardness | 5.1 (between apatite and microcline) | 1.6 (between gypsum and talc) Vickers hardness | 570 MPa | 481 MPa Brinell hardness | | 746 MPa bulk modulus | 38 GPa | 40 GPa shear modulus | 22 GPa | 26 GPa Young's modulus | 55 GPa | 65 GPa Poisson ratio | 0.26 | 0.23 tensile yield strength | 173 MPa | 221 MPa ultimate tensile strength | 190 MPa | 259 MPa sound speed | 2680 m/s | 2760 m/s thermal expansion | 9.4×10^-6 K^(-1) | 1.12×10^-5 K^(-1) thermal conductivity | 11 W/(m K) | 16 W/(m K) (properties at standard conditions)
| gadolinium | holmium density | 7.901 g/cm^3 | 8.795 g/cm^3 liquid density | 7.4 g/cm^3 | 8.34 g/cm^3 molar volume | 19.9 cm^3/mol | 18.75 cm^3/mol Mohs hardness | 5.1 (between apatite and microcline) | 1.6 (between gypsum and talc) Vickers hardness | 570 MPa | 481 MPa Brinell hardness | | 746 MPa bulk modulus | 38 GPa | 40 GPa shear modulus | 22 GPa | 26 GPa Young's modulus | 55 GPa | 65 GPa Poisson ratio | 0.26 | 0.23 tensile yield strength | 173 MPa | 221 MPa ultimate tensile strength | 190 MPa | 259 MPa sound speed | 2680 m/s | 2760 m/s thermal expansion | 9.4×10^-6 K^(-1) | 1.12×10^-5 K^(-1) thermal conductivity | 11 W/(m K) | 16 W/(m K) (properties at standard conditions)

Electromagnetic properties

| gadolinium | holmium electrical type | conductor | conductor resistivity | 1.3×10^-6 Ω m (ohm meters) | 9.4×10^-7 Ω m (ohm meters) electrical conductivity | 770000 S/m (siemens per meter) | 1.1×10^6 S/m (siemens per meter) magnetic type | ferromagnetic | paramagnetic volume magnetic susceptibility | | 0.0482845 mass magnetic susceptibility | | 5.49×10^-6 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | | 9.05467×10^-7 m^3/mol (cubic meters per mole) Curie point | 292 K (kelvins) | 20 K (kelvins) Néel point | | 132 K (kelvins) work function | 2.9 eV (Polycrystalline) | threshold frequency | 7.012×10^14 Hz (hertz) | color | (silver) | (silver)
| gadolinium | holmium electrical type | conductor | conductor resistivity | 1.3×10^-6 Ω m (ohm meters) | 9.4×10^-7 Ω m (ohm meters) electrical conductivity | 770000 S/m (siemens per meter) | 1.1×10^6 S/m (siemens per meter) magnetic type | ferromagnetic | paramagnetic volume magnetic susceptibility | | 0.0482845 mass magnetic susceptibility | | 5.49×10^-6 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | | 9.05467×10^-7 m^3/mol (cubic meters per mole) Curie point | 292 K (kelvins) | 20 K (kelvins) Néel point | | 132 K (kelvins) work function | 2.9 eV (Polycrystalline) | threshold frequency | 7.012×10^14 Hz (hertz) | color | (silver) | (silver)

Reactivity

| gadolinium | holmium valence | 3 | 3 electronegativity | 1.2 | 1.23 electron affinity | 50 kJ/mol (kilojoules per mole) | 50 kJ/mol (kilojoules per mole) first ionization energy | 593.4 kJ/mol (kilojoules per mole) | 581 kJ/mol (kilojoules per mole) ionization energies | 593.4 kJ/mol | 1170 kJ/mol | 1990 kJ/mol | 4250 kJ/mol | 581 kJ/mol | 1140 kJ/mol | 2204 kJ/mol | 4100 kJ/mol
| gadolinium | holmium valence | 3 | 3 electronegativity | 1.2 | 1.23 electron affinity | 50 kJ/mol (kilojoules per mole) | 50 kJ/mol (kilojoules per mole) first ionization energy | 593.4 kJ/mol (kilojoules per mole) | 581 kJ/mol (kilojoules per mole) ionization energies | 593.4 kJ/mol | 1170 kJ/mol | 1990 kJ/mol | 4250 kJ/mol | 581 kJ/mol | 1140 kJ/mol | 2204 kJ/mol | 4100 kJ/mol
Reactivity
Reactivity

Atomic properties

| gadolinium | holmium term symbol | ^9D_2 | ^4I_(15/2) atomic radius | 180 pm | 175 pm covalent radius | 196 pm | 192 pm (electronic ground state properties)
| gadolinium | holmium term symbol | ^9D_2 | ^4I_(15/2) atomic radius | 180 pm | 175 pm covalent radius | 196 pm | 192 pm (electronic ground state properties)

Abundances

| gadolinium | holmium universe abundance | 2×10^-7 mass% | 5×10^-8 mass% solar abundance | 2×10^-7 mass% | 0 mass% meteorite abundance | 2.3×10^-5 mass% | 5.9×10^-6 mass% crust abundance | 5.2×10^-4 mass% | 1.2×10^-4 mass% ocean abundance | 7×10^-11 mass% | 2.2×10^-11 mass% universe molar abundance | 2×10^-9 mol% | 4×10^-10 mol% solar molar abundance | 9.9×10^-10 mol% | 0 mol% meteorite molar abundance | 3×10^-6 mol% | 7×10^-7 mol% ocean molar abundance | 2.8×10^-12 mol% | 8×10^-6 mol% crust molar abundance | 6.8×10^-5 mol% | 1.5×10^-5 mol%
| gadolinium | holmium universe abundance | 2×10^-7 mass% | 5×10^-8 mass% solar abundance | 2×10^-7 mass% | 0 mass% meteorite abundance | 2.3×10^-5 mass% | 5.9×10^-6 mass% crust abundance | 5.2×10^-4 mass% | 1.2×10^-4 mass% ocean abundance | 7×10^-11 mass% | 2.2×10^-11 mass% universe molar abundance | 2×10^-9 mol% | 4×10^-10 mol% solar molar abundance | 9.9×10^-10 mol% | 0 mol% meteorite molar abundance | 3×10^-6 mol% | 7×10^-7 mol% ocean molar abundance | 2.8×10^-12 mol% | 8×10^-6 mol% crust molar abundance | 6.8×10^-5 mol% | 1.5×10^-5 mol%

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