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sodium vs hydrogen vs rubidium

Input interpretation

sodium (chemical element) | hydrogen (chemical element) | rubidium (chemical element)
sodium (chemical element) | hydrogen (chemical element) | rubidium (chemical element)

Periodic table location

Periodic table location
Periodic table location

Images

Images
Images

Basic elemental properties

| sodium | hydrogen | rubidium atomic symbol | Na | H | Rb atomic number | 11 | 1 | 37 short electronic configuration | [Ne]3s^1 | 1s^1 | [Kr]5s^1 Aufbau diagram | 3s | 1s | 5s block | s | s | s group | 1 | 1 | 1 period | 3 | 1 | 5 atomic mass | 22.98976928 u | 1.008 u | 85.4678 u half-life | (stable) | (stable) | (stable)
| sodium | hydrogen | rubidium atomic symbol | Na | H | Rb atomic number | 11 | 1 | 37 short electronic configuration | [Ne]3s^1 | 1s^1 | [Kr]5s^1 Aufbau diagram | 3s | 1s | 5s block | s | s | s group | 1 | 1 | 1 period | 3 | 1 | 5 atomic mass | 22.98976928 u | 1.008 u | 85.4678 u half-life | (stable) | (stable) | (stable)

Thermodynamic properties

| sodium | hydrogen | rubidium phase at STP | solid | gas | solid melting point | 97.72 °C | -259.14 °C | 39.31 °C boiling point | 883 °C | -252.87 °C | 688 °C critical temperature | 2573 K | 32.97 K | 2093 K critical pressure | 35 MPa | 1.293 MPa | 16 MPa molar heat of fusion | 2.6 kJ/mol | 0.558 kJ/mol | 2.19 kJ/mol molar heat of vaporization | 97.7 kJ/mol | 0.452 kJ/mol | 72 kJ/mol specific heat at STP | 1230 J/(kg K) | 14300 J/(kg K) | 364 J/(kg K) adiabatic index | | 7/5 | (properties at standard conditions)
| sodium | hydrogen | rubidium phase at STP | solid | gas | solid melting point | 97.72 °C | -259.14 °C | 39.31 °C boiling point | 883 °C | -252.87 °C | 688 °C critical temperature | 2573 K | 32.97 K | 2093 K critical pressure | 35 MPa | 1.293 MPa | 16 MPa molar heat of fusion | 2.6 kJ/mol | 0.558 kJ/mol | 2.19 kJ/mol molar heat of vaporization | 97.7 kJ/mol | 0.452 kJ/mol | 72 kJ/mol specific heat at STP | 1230 J/(kg K) | 14300 J/(kg K) | 364 J/(kg K) adiabatic index | | 7/5 | (properties at standard conditions)

Material properties

| sodium | hydrogen | rubidium density | 0.968 g/cm^3 | 8.99×10^-5 g/cm^3 | 1.532 g/cm^3 liquid density | 0.927 g/cm^3 | | 1.46 g/cm^3 molar volume | 23.7 cm^3/mol | 11200 cm^3/mol | 55.79 cm^3/mol Mohs hardness | 0.5 (between talc and gypsum) | | 0.3 (between talc and gypsum) Brinell hardness | 0.69 MPa | | 0.216 MPa bulk modulus | 6.3 GPa | | 2.5 GPa shear modulus | 3.3 GPa | | Young's modulus | 10 GPa | | 2.4 GPa ultimate tensile strength | 10 MPa | | refractive index | | 1.000132 | sound speed | 3200 m/s | 1270 m/s | 1300 m/s thermal expansion | 7.1×10^-5 K^(-1) | | thermal conductivity | 140 W/(m K) | 0.1805 W/(m K) | 58 W/(m K) (properties at standard conditions)
| sodium | hydrogen | rubidium density | 0.968 g/cm^3 | 8.99×10^-5 g/cm^3 | 1.532 g/cm^3 liquid density | 0.927 g/cm^3 | | 1.46 g/cm^3 molar volume | 23.7 cm^3/mol | 11200 cm^3/mol | 55.79 cm^3/mol Mohs hardness | 0.5 (between talc and gypsum) | | 0.3 (between talc and gypsum) Brinell hardness | 0.69 MPa | | 0.216 MPa bulk modulus | 6.3 GPa | | 2.5 GPa shear modulus | 3.3 GPa | | Young's modulus | 10 GPa | | 2.4 GPa ultimate tensile strength | 10 MPa | | refractive index | | 1.000132 | sound speed | 3200 m/s | 1270 m/s | 1300 m/s thermal expansion | 7.1×10^-5 K^(-1) | | thermal conductivity | 140 W/(m K) | 0.1805 W/(m K) | 58 W/(m K) (properties at standard conditions)

Electromagnetic properties

| sodium | hydrogen | rubidium electrical type | conductor | | conductor resistivity | 4.7×10^-8 Ω m (ohm meters) | | 1.2×10^-7 Ω m (ohm meters) electrical conductivity | 2.1×10^7 S/m (siemens per meter) | | 8.3×10^6 S/m (siemens per meter) magnetic type | paramagnetic | diamagnetic | paramagnetic volume magnetic susceptibility | 8.5×10^-6 | -2.23×10^-9 | 3.98×10^-6 mass magnetic susceptibility | 8.8×10^-9 m^3/kg (cubic meters per kilogram) | -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 | 2×10^-10 m^3/mol (cubic meters per mole) | -4.999×10^-11 m^3/mol (cubic meters per mole) | 2.22×10^-10 m^3/mol (cubic meters per mole) work function | 2.36 eV (Polycrystalline) | | 2.26 eV (Polycrystalline) threshold frequency | 5.706×10^14 Hz (hertz) | | 5.467×10^14 Hz (hertz) color | (silver) | (colorless) | (silver) refractive index | | 1.000132 |
| sodium | hydrogen | rubidium electrical type | conductor | | conductor resistivity | 4.7×10^-8 Ω m (ohm meters) | | 1.2×10^-7 Ω m (ohm meters) electrical conductivity | 2.1×10^7 S/m (siemens per meter) | | 8.3×10^6 S/m (siemens per meter) magnetic type | paramagnetic | diamagnetic | paramagnetic volume magnetic susceptibility | 8.5×10^-6 | -2.23×10^-9 | 3.98×10^-6 mass magnetic susceptibility | 8.8×10^-9 m^3/kg (cubic meters per kilogram) | -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 | 2×10^-10 m^3/mol (cubic meters per mole) | -4.999×10^-11 m^3/mol (cubic meters per mole) | 2.22×10^-10 m^3/mol (cubic meters per mole) work function | 2.36 eV (Polycrystalline) | | 2.26 eV (Polycrystalline) threshold frequency | 5.706×10^14 Hz (hertz) | | 5.467×10^14 Hz (hertz) color | (silver) | (colorless) | (silver) refractive index | | 1.000132 |

Reactivity

| sodium | hydrogen | rubidium valence | 1 | 1 | 1 electronegativity | 0.93 | 2.2 | 0.82 electron affinity | 52.8 kJ/mol (kilojoules per mole) | 72.8 kJ/mol (kilojoules per mole) | 46.9 kJ/mol (kilojoules per mole) first ionization energy | 495.8 kJ/mol (kilojoules per mole) | 1312 kJ/mol (kilojoules per mole) | 403 kJ/mol (kilojoules per mole) ionization energies | 495.8 kJ/mol | 4562 kJ/mol | 6910.3 kJ/mol | 9543 kJ/mol | 13354 kJ/mol | 16613 kJ/mol | 20117 kJ/mol | 25496 kJ/mol | 28932 kJ/mol | 141362 kJ/mol | 1312 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
| sodium | hydrogen | rubidium valence | 1 | 1 | 1 electronegativity | 0.93 | 2.2 | 0.82 electron affinity | 52.8 kJ/mol (kilojoules per mole) | 72.8 kJ/mol (kilojoules per mole) | 46.9 kJ/mol (kilojoules per mole) first ionization energy | 495.8 kJ/mol (kilojoules per mole) | 1312 kJ/mol (kilojoules per mole) | 403 kJ/mol (kilojoules per mole) ionization energies | 495.8 kJ/mol | 4562 kJ/mol | 6910.3 kJ/mol | 9543 kJ/mol | 13354 kJ/mol | 16613 kJ/mol | 20117 kJ/mol | 25496 kJ/mol | 28932 kJ/mol | 141362 kJ/mol | 1312 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

| sodium | hydrogen | rubidium term symbol | ^2S_(1/2) | ^2S_(1/2) | ^2S_(1/2) atomic radius | 180 pm | 25 pm | 235 pm covalent radius | 166 pm | 31 pm | 220 pm van der Waals radius | 227 pm | 120 pm | (electronic ground state properties)
| sodium | hydrogen | rubidium term symbol | ^2S_(1/2) | ^2S_(1/2) | ^2S_(1/2) atomic radius | 180 pm | 25 pm | 235 pm covalent radius | 166 pm | 31 pm | 220 pm van der Waals radius | 227 pm | 120 pm | (electronic ground state properties)

Abundances

| sodium | hydrogen | rubidium universe abundance | 0.002 mass% | 75 mass% | 1×10^-6 mass% solar abundance | 0.004 mass% | 75 mass% | 3×10^-6 mass% meteorite abundance | 0.55 mass% | 2.4 mass% | 3.2×10^-4 mass% crust abundance | 2.3 mass% | 0.15 mass% | 0.006 mass% ocean abundance | 1.1 mass% | 11 mass% | 1.2×10^-5 mass% human abundance | 0.14 mass% | 10 mass% | 4.6×10^-4 mass% universe molar abundance | 1×10^-4 mol% | 93 mol% | 1×10^-8 mol% solar molar abundance | 2×10^-4 mol% | 93 mol% | 4×10^-8 mol% meteorite molar abundance | 0.48 mol% | 17 mol% | 7.8×10^-5 mol% ocean molar abundance | 0.3 mol% | 66 mol% | 8.7×10^-7 mol% crust molar abundance | 2.1 mol% | 3.1 mol% | 0.0014 mol% human molar abundance | 0.038 mol% | 62 mol% | 3.4×10^-5 mol%
| sodium | hydrogen | rubidium universe abundance | 0.002 mass% | 75 mass% | 1×10^-6 mass% solar abundance | 0.004 mass% | 75 mass% | 3×10^-6 mass% meteorite abundance | 0.55 mass% | 2.4 mass% | 3.2×10^-4 mass% crust abundance | 2.3 mass% | 0.15 mass% | 0.006 mass% ocean abundance | 1.1 mass% | 11 mass% | 1.2×10^-5 mass% human abundance | 0.14 mass% | 10 mass% | 4.6×10^-4 mass% universe molar abundance | 1×10^-4 mol% | 93 mol% | 1×10^-8 mol% solar molar abundance | 2×10^-4 mol% | 93 mol% | 4×10^-8 mol% meteorite molar abundance | 0.48 mol% | 17 mol% | 7.8×10^-5 mol% ocean molar abundance | 0.3 mol% | 66 mol% | 8.7×10^-7 mol% crust molar abundance | 2.1 mol% | 3.1 mol% | 0.0014 mol% human molar abundance | 0.038 mol% | 62 mol% | 3.4×10^-5 mol%

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