Search

barium, rubidium, cesium

Input interpretation

barium (chemical element) | rubidium (chemical element) | cesium (chemical element)
barium (chemical element) | rubidium (chemical element) | cesium (chemical element)

Periodic table location

Periodic table location
Periodic table location

Images

Images
Images

Basic elemental properties

| barium | rubidium | cesium atomic symbol | Ba | Rb | Cs atomic number | 56 | 37 | 55 short electronic configuration | [Xe]6s^2 | [Kr]5s^1 | [Xe]6s^1 Aufbau diagram | 6s | 5s | 6s block | s | s | s group | 2 | 1 | 1 period | 6 | 5 | 6 atomic mass | 137.327 u | 85.4678 u | 132.90545196 u half-life | (stable) | (stable) | (stable)
| barium | rubidium | cesium atomic symbol | Ba | Rb | Cs atomic number | 56 | 37 | 55 short electronic configuration | [Xe]6s^2 | [Kr]5s^1 | [Xe]6s^1 Aufbau diagram | 6s | 5s | 6s block | s | s | s group | 2 | 1 | 1 period | 6 | 5 | 6 atomic mass | 137.327 u | 85.4678 u | 132.90545196 u half-life | (stable) | (stable) | (stable)

Thermodynamic properties

| barium | rubidium | cesium phase at STP | solid | solid | solid melting point | 727 °C | 39.31 °C | 28.44 °C boiling point | 1870 °C | 688 °C | 671 °C critical temperature | (unknown) | 2093 K | 1938 K critical pressure | (unknown) | 16 MPa | 9.4 MPa molar heat of fusion | 8 kJ/mol | 2.19 kJ/mol | 2.09 kJ/mol molar heat of vaporization | 140 kJ/mol | 72 kJ/mol | 65 kJ/mol specific heat at STP | 205 J/(kg K) | 364 J/(kg K) | 242 J/(kg K) (properties at standard conditions)
| barium | rubidium | cesium phase at STP | solid | solid | solid melting point | 727 °C | 39.31 °C | 28.44 °C boiling point | 1870 °C | 688 °C | 671 °C critical temperature | (unknown) | 2093 K | 1938 K critical pressure | (unknown) | 16 MPa | 9.4 MPa molar heat of fusion | 8 kJ/mol | 2.19 kJ/mol | 2.09 kJ/mol molar heat of vaporization | 140 kJ/mol | 72 kJ/mol | 65 kJ/mol specific heat at STP | 205 J/(kg K) | 364 J/(kg K) | 242 J/(kg K) (properties at standard conditions)

Material properties

| barium | rubidium | cesium density | 3.51 g/cm^3 | 1.532 g/cm^3 | 1.879 g/cm^3 liquid density | 3.338 g/cm^3 | 1.46 g/cm^3 | 1.843 g/cm^3 molar volume | 39.12 cm^3/mol | 55.79 cm^3/mol | 70.73 cm^3/mol Mohs hardness | 1.25 (between talc and gypsum) | 0.3 (between talc and gypsum) | 0.2 (between talc and gypsum) Brinell hardness | | 0.216 MPa | 0.14 MPa bulk modulus | 9.6 GPa | 2.5 GPa | 1.6 GPa shear modulus | 4.9 GPa | | Young's modulus | 13 GPa | 2.4 GPa | 1.7 GPa sound speed | 1620 m/s | 1300 m/s | thermal expansion | 2.06×10^-5 K^(-1) | | thermal conductivity | 18 W/(m K) | 58 W/(m K) | 36 W/(m K) (properties at standard conditions)
| barium | rubidium | cesium density | 3.51 g/cm^3 | 1.532 g/cm^3 | 1.879 g/cm^3 liquid density | 3.338 g/cm^3 | 1.46 g/cm^3 | 1.843 g/cm^3 molar volume | 39.12 cm^3/mol | 55.79 cm^3/mol | 70.73 cm^3/mol Mohs hardness | 1.25 (between talc and gypsum) | 0.3 (between talc and gypsum) | 0.2 (between talc and gypsum) Brinell hardness | | 0.216 MPa | 0.14 MPa bulk modulus | 9.6 GPa | 2.5 GPa | 1.6 GPa shear modulus | 4.9 GPa | | Young's modulus | 13 GPa | 2.4 GPa | 1.7 GPa sound speed | 1620 m/s | 1300 m/s | thermal expansion | 2.06×10^-5 K^(-1) | | thermal conductivity | 18 W/(m K) | 58 W/(m K) | 36 W/(m K) (properties at standard conditions)

Electromagnetic properties

| barium | rubidium | cesium electrical type | conductor | conductor | conductor resistivity | 3.5×10^-7 Ω m (ohm meters) | 1.2×10^-7 Ω m (ohm meters) | 2×10^-7 Ω m (ohm meters) electrical conductivity | 2.9×10^6 S/m (siemens per meter) | 8.3×10^6 S/m (siemens per meter) | 5×10^6 S/m (siemens per meter) magnetic type | paramagnetic | paramagnetic | paramagnetic volume magnetic susceptibility | 3.966×10^-5 | 3.98×10^-6 | 5.26×10^-6 mass magnetic susceptibility | 1.13×10^-8 m^3/kg (cubic meters per kilogram) | 2.6×10^-9 m^3/kg (cubic meters per kilogram) | 2.8×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 1.552×10^-9 m^3/mol (cubic meters per mole) | 2.22×10^-10 m^3/mol (cubic meters per mole) | 3.72×10^-10 m^3/mol (cubic meters per mole) work function | 2.52 eV (Polycrystalline) | 2.26 eV (Polycrystalline) | 1.95 eV (Polycrystalline) threshold frequency | 6.093×10^14 Hz (hertz) | 5.467×10^14 Hz (hertz) | 4.715×10^14 Hz (hertz) color | (silver) | (silver) | (yellow)
| barium | rubidium | cesium electrical type | conductor | conductor | conductor resistivity | 3.5×10^-7 Ω m (ohm meters) | 1.2×10^-7 Ω m (ohm meters) | 2×10^-7 Ω m (ohm meters) electrical conductivity | 2.9×10^6 S/m (siemens per meter) | 8.3×10^6 S/m (siemens per meter) | 5×10^6 S/m (siemens per meter) magnetic type | paramagnetic | paramagnetic | paramagnetic volume magnetic susceptibility | 3.966×10^-5 | 3.98×10^-6 | 5.26×10^-6 mass magnetic susceptibility | 1.13×10^-8 m^3/kg (cubic meters per kilogram) | 2.6×10^-9 m^3/kg (cubic meters per kilogram) | 2.8×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 1.552×10^-9 m^3/mol (cubic meters per mole) | 2.22×10^-10 m^3/mol (cubic meters per mole) | 3.72×10^-10 m^3/mol (cubic meters per mole) work function | 2.52 eV (Polycrystalline) | 2.26 eV (Polycrystalline) | 1.95 eV (Polycrystalline) threshold frequency | 6.093×10^14 Hz (hertz) | 5.467×10^14 Hz (hertz) | 4.715×10^14 Hz (hertz) color | (silver) | (silver) | (yellow)

Reactivity

| barium | rubidium | cesium valence | 2 | 1 | 1 electronegativity | 0.89 | 0.82 | 0.79 electron affinity | 13.95 kJ/mol (kilojoules per mole) | 46.9 kJ/mol (kilojoules per mole) | 45.5 kJ/mol (kilojoules per mole) first ionization energy | 502.9 kJ/mol (kilojoules per mole) | 403 kJ/mol (kilojoules per mole) | 375.7 kJ/mol (kilojoules per mole) ionization energies | 502.9 kJ/mol | 965.2 kJ/mol | 3600 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 | 375.7 kJ/mol | 2234.3 kJ/mol | 3400 kJ/mol
| barium | rubidium | cesium valence | 2 | 1 | 1 electronegativity | 0.89 | 0.82 | 0.79 electron affinity | 13.95 kJ/mol (kilojoules per mole) | 46.9 kJ/mol (kilojoules per mole) | 45.5 kJ/mol (kilojoules per mole) first ionization energy | 502.9 kJ/mol (kilojoules per mole) | 403 kJ/mol (kilojoules per mole) | 375.7 kJ/mol (kilojoules per mole) ionization energies | 502.9 kJ/mol | 965.2 kJ/mol | 3600 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 | 375.7 kJ/mol | 2234.3 kJ/mol | 3400 kJ/mol
Reactivity
Reactivity

Atomic properties

| barium | rubidium | cesium term symbol | ^1S_0 | ^2S_(1/2) | ^2S_(1/2) atomic radius | 215 pm | 235 pm | 260 pm covalent radius | 215 pm | 220 pm | 244 pm (electronic ground state properties)
| barium | rubidium | cesium term symbol | ^1S_0 | ^2S_(1/2) | ^2S_(1/2) atomic radius | 215 pm | 235 pm | 260 pm covalent radius | 215 pm | 220 pm | 244 pm (electronic ground state properties)

Abundances

| barium | rubidium | cesium universe abundance | 1×10^-6 mass% | 1×10^-6 mass% | 8×10^-8 mass% solar abundance | 1×10^-6 mass% | 3×10^-6 mass% | 8×10^-7 mass% meteorite abundance | 2.7×10^-4 mass% | 3.2×10^-4 mass% | 1.4×10^-5 mass% crust abundance | 0.034 mass% | 0.006 mass% | 1.9×10^-4 mass% ocean abundance | 3×10^-6 mass% | 1.2×10^-5 mass% | 5×10^-8 mass% human abundance | 3×10^-5 mass% | 4.6×10^-4 mass% | 2×10^-6 mass% universe molar abundance | 9×10^-9 mol% | 1×10^-8 mol% | 1×10^-9 mol% solar molar abundance | 9.9×10^-9 mol% | 4×10^-8 mol% | 7×10^-9 mol% meteorite molar abundance | 4.1×10^-5 mol% | 7.8×10^-5 mol% | 2×10^-6 mol% ocean molar abundance | 1.4×10^-7 mol% | 8.7×10^-7 mol% | 2.3×10^-9 mol% crust molar abundance | 0.0051 mol% | 0.0014 mol% | 2.9×10^-5 mol% human molar abundance | 1.4×10^-6 mol% | 3.4×10^-5 mol% | 1×10^-7 mol%
| barium | rubidium | cesium universe abundance | 1×10^-6 mass% | 1×10^-6 mass% | 8×10^-8 mass% solar abundance | 1×10^-6 mass% | 3×10^-6 mass% | 8×10^-7 mass% meteorite abundance | 2.7×10^-4 mass% | 3.2×10^-4 mass% | 1.4×10^-5 mass% crust abundance | 0.034 mass% | 0.006 mass% | 1.9×10^-4 mass% ocean abundance | 3×10^-6 mass% | 1.2×10^-5 mass% | 5×10^-8 mass% human abundance | 3×10^-5 mass% | 4.6×10^-4 mass% | 2×10^-6 mass% universe molar abundance | 9×10^-9 mol% | 1×10^-8 mol% | 1×10^-9 mol% solar molar abundance | 9.9×10^-9 mol% | 4×10^-8 mol% | 7×10^-9 mol% meteorite molar abundance | 4.1×10^-5 mol% | 7.8×10^-5 mol% | 2×10^-6 mol% ocean molar abundance | 1.4×10^-7 mol% | 8.7×10^-7 mol% | 2.3×10^-9 mol% crust molar abundance | 0.0051 mol% | 0.0014 mol% | 2.9×10^-5 mol% human molar abundance | 1.4×10^-6 mol% | 3.4×10^-5 mol% | 1×10^-7 mol%

Nuclear properties

| barium | rubidium | cesium half-life | (stable) | (stable) | (stable) stable isotopes | Ba-138 (71.698%) | ... | Rb-85 (72.17%) | Cs-133 (100%) unstable isotopes | Ba-133 (10.52 yr) | ... | Rb-87 (48.1 Gyr) | ... | Cs-135 (2.3 Myr) | ...
| barium | rubidium | cesium half-life | (stable) | (stable) | (stable) stable isotopes | Ba-138 (71.698%) | ... | Rb-85 (72.17%) | Cs-133 (100%) unstable isotopes | Ba-133 (10.52 yr) | ... | Rb-87 (48.1 Gyr) | ... | Cs-135 (2.3 Myr) | ...

Units

Random Queries

carbon vs silicon vs germanium vs zirconium vs zinc
atomic mass of iodine vs antimony
ions potassium chloride
(net ionic charge of scandium(III) cation)/(name of scandium(III) cation)
Hill formula of lucifer yellow cH
CAS number of manganese carbonate vs lead(II) chromate
phase of glutaraldehyde vs (-)-limonene
(autoignition point of butyllithium)/(freezing point of butyllithium)
distort image of kladnoite image
molar mass of copper(II) telluride vs silver perchlorate hydrate