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barium

Input interpretation

barium (chemical element)
barium (chemical element)

Periodic table location

Periodic table location
Periodic table location

Image

Image
Image

Basic elemental properties

atomic symbol | Ba atomic number | 56 short electronic configuration | [Xe]6s^2 Aufbau diagram | 6s block | s group | 2 period | 6 atomic mass | 137.327 u (unified atomic mass units)
atomic symbol | Ba atomic number | 56 short electronic configuration | [Xe]6s^2 Aufbau diagram | 6s block | s group | 2 period | 6 atomic mass | 137.327 u (unified atomic mass units)

Thermodynamic properties

phase at STP | solid melting point | 727 °C (rank: 63rd) boiling point | 1870 °C (rank: 56th) molar heat of fusion | 8 kJ/mol (rank: 53rd) molar heat of vaporization | 140 kJ/mol (rank: 62nd) specific heat at STP | 205 J/(kg K) (rank: 54th) (properties at standard conditions)
phase at STP | solid melting point | 727 °C (rank: 63rd) boiling point | 1870 °C (rank: 56th) molar heat of fusion | 8 kJ/mol (rank: 53rd) molar heat of vaporization | 140 kJ/mol (rank: 62nd) specific heat at STP | 205 J/(kg K) (rank: 54th) (properties at standard conditions)

Material properties

density | 3.51 g/cm^3 (rank: 68th) liquid density | 3.338 g/cm^3 molar volume | 39.12 cm^3/mol Mohs hardness | 1.25 (between talc and gypsum) bulk modulus | 9.6 GPa (rank: 59th) shear modulus | 4.9 GPa Young's modulus | 13 GPa (rank: 55th) sound speed | 1620 m/s (rank: 57th) thermal expansion | 2.06×10^-5 K^(-1) (rank: 18th) thermal conductivity | 18 W/(m K) (rank: 52nd) (properties at standard conditions)
density | 3.51 g/cm^3 (rank: 68th) liquid density | 3.338 g/cm^3 molar volume | 39.12 cm^3/mol Mohs hardness | 1.25 (between talc and gypsum) bulk modulus | 9.6 GPa (rank: 59th) shear modulus | 4.9 GPa Young's modulus | 13 GPa (rank: 55th) sound speed | 1620 m/s (rank: 57th) thermal expansion | 2.06×10^-5 K^(-1) (rank: 18th) thermal conductivity | 18 W/(m K) (rank: 52nd) (properties at standard conditions)

Electromagnetic properties

electrical type | conductor resistivity | 3.5×10^-7 Ω m (ohm meters) electrical conductivity | 2.9×10^6 S/m (siemens per meter) magnetic type | paramagnetic volume magnetic susceptibility | 3.966×10^-5 mass magnetic susceptibility | 1.13×10^-8 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 1.552×10^-9 m^3/mol (cubic meters per mole) work function | 2.52 eV (Polycrystalline) threshold frequency | 6.093×10^14 Hz (hertz) color | (silver)
electrical type | conductor resistivity | 3.5×10^-7 Ω m (ohm meters) electrical conductivity | 2.9×10^6 S/m (siemens per meter) magnetic type | paramagnetic volume magnetic susceptibility | 3.966×10^-5 mass magnetic susceptibility | 1.13×10^-8 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 1.552×10^-9 m^3/mol (cubic meters per mole) work function | 2.52 eV (Polycrystalline) threshold frequency | 6.093×10^14 Hz (hertz) color | (silver)

Reactivity

valence | 2 electronegativity | 0.89 electron affinity | 13.95 kJ/mol (kilojoules per mole) first ionization energy | 502.9 kJ/mol (kilojoules per mole) ionization energies | 502.9 kJ/mol | 965.2 kJ/mol | 3600 kJ/mol
valence | 2 electronegativity | 0.89 electron affinity | 13.95 kJ/mol (kilojoules per mole) first ionization energy | 502.9 kJ/mol (kilojoules per mole) ionization energies | 502.9 kJ/mol | 965.2 kJ/mol | 3600 kJ/mol
Reactivity
Reactivity

Atomic properties

term symbol | ^1S_0 atomic radius | 215 pm covalent radius | 215 pm (electronic ground state properties)
term symbol | ^1S_0 atomic radius | 215 pm covalent radius | 215 pm (electronic ground state properties)
(neutral barium atomic spectrum)
(neutral barium atomic spectrum)

Abundances

universe abundance | 1×10^-6 mass% (rank: 33rd) solar abundance | 1×10^-6 mass% (rank: 34th) meteorite abundance | 2.7×10^-4 mass% (rank: 31st) crust abundance | 0.034 mass% (rank: 17th) ocean abundance | 3×10^-6 mass% (rank: 21st) human abundance | 3×10^-5 mass% (rank: 24th) universe molar abundance | 9×10^-9 mol% (rank: 42nd) solar molar abundance | 9.9×10^-9 mol% (rank: 35th) meteorite molar abundance | 4.1×10^-5 mol% (rank: 35th) ocean molar abundance | 1.4×10^-7 mol% (rank: 32nd) crust molar abundance | 0.0051 mol% (rank: 20th) human molar abundance | 1.4×10^-6 mol% (rank: 27th)
universe abundance | 1×10^-6 mass% (rank: 33rd) solar abundance | 1×10^-6 mass% (rank: 34th) meteorite abundance | 2.7×10^-4 mass% (rank: 31st) crust abundance | 0.034 mass% (rank: 17th) ocean abundance | 3×10^-6 mass% (rank: 21st) human abundance | 3×10^-5 mass% (rank: 24th) universe molar abundance | 9×10^-9 mol% (rank: 42nd) solar molar abundance | 9.9×10^-9 mol% (rank: 35th) meteorite molar abundance | 4.1×10^-5 mol% (rank: 35th) ocean molar abundance | 1.4×10^-7 mol% (rank: 32nd) crust molar abundance | 0.0051 mol% (rank: 20th) human molar abundance | 1.4×10^-6 mol% (rank: 27th)

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