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hydrogen vs cobalt vs rubidium

Input interpretation

hydrogen (chemical element) | cobalt (chemical element) | rubidium (chemical element)
hydrogen (chemical element) | cobalt (chemical element) | rubidium (chemical element)

Periodic table location

Periodic table location
Periodic table location

Images

Images
Images

Basic elemental properties

| hydrogen | cobalt | rubidium atomic symbol | H | Co | Rb atomic number | 1 | 27 | 37 short electronic configuration | 1s^1 | [Ar]4s^23d^7 | [Kr]5s^1 Aufbau diagram | 1s | 3d 4s | 5s block | s | d | s group | 1 | 9 | 1 period | 1 | 4 | 5 atomic mass | 1.008 u | 58.933194 u | 85.4678 u half-life | (stable) | (stable) | (stable)
| hydrogen | cobalt | rubidium atomic symbol | H | Co | Rb atomic number | 1 | 27 | 37 short electronic configuration | 1s^1 | [Ar]4s^23d^7 | [Kr]5s^1 Aufbau diagram | 1s | 3d 4s | 5s block | s | d | s group | 1 | 9 | 1 period | 1 | 4 | 5 atomic mass | 1.008 u | 58.933194 u | 85.4678 u half-life | (stable) | (stable) | (stable)

Thermodynamic properties

| hydrogen | cobalt | rubidium phase at STP | gas | solid | solid melting point | -259.14 °C | 1495 °C | 39.31 °C boiling point | -252.87 °C | 2927 °C | 688 °C critical temperature | 32.97 K | (unknown) | 2093 K critical pressure | 1.293 MPa | (unknown) | 16 MPa molar heat of fusion | 0.558 kJ/mol | 16.2 kJ/mol | 2.19 kJ/mol molar heat of vaporization | 0.452 kJ/mol | 375 kJ/mol | 72 kJ/mol specific heat at STP | 14300 J/(kg K) | 421 J/(kg K) | 364 J/(kg K) adiabatic index | 7/5 | | (properties at standard conditions)
| hydrogen | cobalt | rubidium phase at STP | gas | solid | solid melting point | -259.14 °C | 1495 °C | 39.31 °C boiling point | -252.87 °C | 2927 °C | 688 °C critical temperature | 32.97 K | (unknown) | 2093 K critical pressure | 1.293 MPa | (unknown) | 16 MPa molar heat of fusion | 0.558 kJ/mol | 16.2 kJ/mol | 2.19 kJ/mol molar heat of vaporization | 0.452 kJ/mol | 375 kJ/mol | 72 kJ/mol specific heat at STP | 14300 J/(kg K) | 421 J/(kg K) | 364 J/(kg K) adiabatic index | 7/5 | | (properties at standard conditions)

Material properties

| hydrogen | cobalt | rubidium density | 8.99×10^-5 g/cm^3 | 8.9 g/cm^3 | 1.532 g/cm^3 liquid density | | 7.75 g/cm^3 | 1.46 g/cm^3 molar volume | 11200 cm^3/mol | 6.6 cm^3/mol | 55.79 cm^3/mol Mohs hardness | | 5 (≈ apatite) | 0.3 (between talc and gypsum) Vickers hardness | | 1043 MPa | Brinell hardness | | 700 MPa | 0.216 MPa bulk modulus | | 180 GPa | 2.5 GPa shear modulus | | 75 GPa | Young's modulus | | 209 GPa | 2.4 GPa Poisson ratio | | 0.31 | tensile yield strength | | 225 MPa | refractive index | 1.000132 | (unknown) | sound speed | 1270 m/s | 4720 m/s | 1300 m/s thermal expansion | | 1.3×10^-5 K^(-1) | thermal conductivity | 0.1805 W/(m K) | 100 W/(m K) | 58 W/(m K) (properties at standard conditions)
| hydrogen | cobalt | rubidium density | 8.99×10^-5 g/cm^3 | 8.9 g/cm^3 | 1.532 g/cm^3 liquid density | | 7.75 g/cm^3 | 1.46 g/cm^3 molar volume | 11200 cm^3/mol | 6.6 cm^3/mol | 55.79 cm^3/mol Mohs hardness | | 5 (≈ apatite) | 0.3 (between talc and gypsum) Vickers hardness | | 1043 MPa | Brinell hardness | | 700 MPa | 0.216 MPa bulk modulus | | 180 GPa | 2.5 GPa shear modulus | | 75 GPa | Young's modulus | | 209 GPa | 2.4 GPa Poisson ratio | | 0.31 | tensile yield strength | | 225 MPa | refractive index | 1.000132 | (unknown) | sound speed | 1270 m/s | 4720 m/s | 1300 m/s thermal expansion | | 1.3×10^-5 K^(-1) | thermal conductivity | 0.1805 W/(m K) | 100 W/(m K) | 58 W/(m K) (properties at standard conditions)

Electromagnetic properties

| hydrogen | cobalt | rubidium electrical type | | conductor | conductor resistivity | | 6×10^-8 Ω m (ohm meters) | 1.2×10^-7 Ω m (ohm meters) electrical conductivity | | 1.7×10^7 S/m (siemens per meter) | 8.3×10^6 S/m (siemens per meter) magnetic type | diamagnetic | ferromagnetic | paramagnetic volume magnetic susceptibility | -2.23×10^-9 | | 3.98×10^-6 mass magnetic susceptibility | -2.48×10^-8 m^3/kg (cubic meters per kilogram) | | 2.6×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -4.999×10^-11 m^3/mol (cubic meters per mole) | | 2.22×10^-10 m^3/mol (cubic meters per mole) Curie point | | 1394 K (kelvins) | work function | | 5 eV (Polycrystalline) | 2.26 eV (Polycrystalline) threshold frequency | | 1.209×10^15 Hz (hertz) | 5.467×10^14 Hz (hertz) color | (colorless) | (gray) | (silver) refractive index | 1.000132 | (unknown) |
| hydrogen | cobalt | rubidium electrical type | | conductor | conductor resistivity | | 6×10^-8 Ω m (ohm meters) | 1.2×10^-7 Ω m (ohm meters) electrical conductivity | | 1.7×10^7 S/m (siemens per meter) | 8.3×10^6 S/m (siemens per meter) magnetic type | diamagnetic | ferromagnetic | paramagnetic volume magnetic susceptibility | -2.23×10^-9 | | 3.98×10^-6 mass magnetic susceptibility | -2.48×10^-8 m^3/kg (cubic meters per kilogram) | | 2.6×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -4.999×10^-11 m^3/mol (cubic meters per mole) | | 2.22×10^-10 m^3/mol (cubic meters per mole) Curie point | | 1394 K (kelvins) | work function | | 5 eV (Polycrystalline) | 2.26 eV (Polycrystalline) threshold frequency | | 1.209×10^15 Hz (hertz) | 5.467×10^14 Hz (hertz) color | (colorless) | (gray) | (silver) refractive index | 1.000132 | (unknown) |

Reactivity

| hydrogen | cobalt | rubidium valence | 1 | 4 | 1 electronegativity | 2.2 | 1.88 | 0.82 electron affinity | 72.8 kJ/mol (kilojoules per mole) | 63.7 kJ/mol (kilojoules per mole) | 46.9 kJ/mol (kilojoules per mole) first ionization energy | 1312 kJ/mol (kilojoules per mole) | 760.4 kJ/mol (kilojoules per mole) | 403 kJ/mol (kilojoules per mole) ionization energies | 1312 kJ/mol | 760.4 kJ/mol | 1648 kJ/mol | 3232 kJ/mol | 4950 kJ/mol | 7670 kJ/mol | 9840 kJ/mol | 12440 kJ/mol | 15230 kJ/mol | 17959 kJ/mol | 26570 kJ/mol | 29400 kJ/mol | 32400 kJ/mol | 36600 kJ/mol | 39700 kJ/mol | 42800 kJ/mol | 49396 kJ/mol | 52737 kJ/mol | 134810 kJ/mol | 145170 kJ/mol | 154700 kJ/mol | 167400 kJ/mol | 403 kJ/mol | 2633 kJ/mol | 3860 kJ/mol | 5080 kJ/mol | 6850 kJ/mol | 8140 kJ/mol | 9570 kJ/mol | 13120 kJ/mol | 14500 kJ/mol | 26740 kJ/mol
| hydrogen | cobalt | rubidium valence | 1 | 4 | 1 electronegativity | 2.2 | 1.88 | 0.82 electron affinity | 72.8 kJ/mol (kilojoules per mole) | 63.7 kJ/mol (kilojoules per mole) | 46.9 kJ/mol (kilojoules per mole) first ionization energy | 1312 kJ/mol (kilojoules per mole) | 760.4 kJ/mol (kilojoules per mole) | 403 kJ/mol (kilojoules per mole) ionization energies | 1312 kJ/mol | 760.4 kJ/mol | 1648 kJ/mol | 3232 kJ/mol | 4950 kJ/mol | 7670 kJ/mol | 9840 kJ/mol | 12440 kJ/mol | 15230 kJ/mol | 17959 kJ/mol | 26570 kJ/mol | 29400 kJ/mol | 32400 kJ/mol | 36600 kJ/mol | 39700 kJ/mol | 42800 kJ/mol | 49396 kJ/mol | 52737 kJ/mol | 134810 kJ/mol | 145170 kJ/mol | 154700 kJ/mol | 167400 kJ/mol | 403 kJ/mol | 2633 kJ/mol | 3860 kJ/mol | 5080 kJ/mol | 6850 kJ/mol | 8140 kJ/mol | 9570 kJ/mol | 13120 kJ/mol | 14500 kJ/mol | 26740 kJ/mol
Reactivity
Reactivity

Atomic properties

| hydrogen | cobalt | rubidium term symbol | ^2S_(1/2) | ^4F_(9/2) | ^2S_(1/2) atomic radius | 25 pm | 135 pm | 235 pm covalent radius | 31 pm | 126 pm | 220 pm van der Waals radius | 120 pm | (unknown) | (electronic ground state properties)
| hydrogen | cobalt | rubidium term symbol | ^2S_(1/2) | ^4F_(9/2) | ^2S_(1/2) atomic radius | 25 pm | 135 pm | 235 pm covalent radius | 31 pm | 126 pm | 220 pm van der Waals radius | 120 pm | (unknown) | (electronic ground state properties)

Abundances

| hydrogen | cobalt | rubidium universe abundance | 75 mass% | 3×10^-4 mass% | 1×10^-6 mass% solar abundance | 75 mass% | 4×10^-4 mass% | 3×10^-6 mass% meteorite abundance | 2.4 mass% | 0.059 mass% | 3.2×10^-4 mass% crust abundance | 0.15 mass% | 0.003 mass% | 0.006 mass% ocean abundance | 11 mass% | 8×10^-9 mass% | 1.2×10^-5 mass% human abundance | 10 mass% | 2×10^-6 mass% | 4.6×10^-4 mass% universe molar abundance | 93 mol% | 6×10^-6 mol% | 1×10^-8 mol% solar molar abundance | 93 mol% | 7×10^-6 mol% | 4×10^-8 mol% meteorite molar abundance | 17 mol% | 0.02 mol% | 7.8×10^-5 mol% ocean molar abundance | 66 mol% | 8×10^-10 mol% | 8.7×10^-7 mol% crust molar abundance | 3.1 mol% | 9.9×10^-4 mol% | 0.0014 mol% human molar abundance | 62 mol% | 2×10^-7 mol% | 3.4×10^-5 mol%
| hydrogen | cobalt | rubidium universe abundance | 75 mass% | 3×10^-4 mass% | 1×10^-6 mass% solar abundance | 75 mass% | 4×10^-4 mass% | 3×10^-6 mass% meteorite abundance | 2.4 mass% | 0.059 mass% | 3.2×10^-4 mass% crust abundance | 0.15 mass% | 0.003 mass% | 0.006 mass% ocean abundance | 11 mass% | 8×10^-9 mass% | 1.2×10^-5 mass% human abundance | 10 mass% | 2×10^-6 mass% | 4.6×10^-4 mass% universe molar abundance | 93 mol% | 6×10^-6 mol% | 1×10^-8 mol% solar molar abundance | 93 mol% | 7×10^-6 mol% | 4×10^-8 mol% meteorite molar abundance | 17 mol% | 0.02 mol% | 7.8×10^-5 mol% ocean molar abundance | 66 mol% | 8×10^-10 mol% | 8.7×10^-7 mol% crust molar abundance | 3.1 mol% | 9.9×10^-4 mol% | 0.0014 mol% human molar abundance | 62 mol% | 2×10^-7 mol% | 3.4×10^-5 mol%

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