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element types of beryllium

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beryllium | element types
beryllium | element types

Result

beryllium
beryllium

Periodic table location

Periodic table location
Periodic table location

Image

Image
Image

Basic elemental properties

atomic symbol | Be atomic number | 4 short electronic configuration | [He]2s^2 Aufbau diagram | 2s block | s group | 2 period | 2 atomic mass | 9.0121831 u (unified atomic mass units)
atomic symbol | Be atomic number | 4 short electronic configuration | [He]2s^2 Aufbau diagram | 2s block | s group | 2 period | 2 atomic mass | 9.0121831 u (unified atomic mass units)

Thermodynamic properties

phase at STP | solid melting point | 1287 °C (rank: 38th) boiling point | 2470 °C (rank: 49th) molar heat of fusion | 7.95 kJ/mol (rank: 53rd) molar heat of vaporization | 297 kJ/mol (rank: 39th) specific heat at STP | 1820 J/(kg K) (rank: 4th) (properties at standard conditions)
phase at STP | solid melting point | 1287 °C (rank: 38th) boiling point | 2470 °C (rank: 49th) molar heat of fusion | 7.95 kJ/mol (rank: 53rd) molar heat of vaporization | 297 kJ/mol (rank: 39th) specific heat at STP | 1820 J/(kg K) (rank: 4th) (properties at standard conditions)

Material properties

density | 1.848 g/cm^3 (rank: 78th) liquid density | 1.69 g/cm^3 molar volume | 4.877 cm^3/mol Mohs hardness | 5.5 (between apatite and microcline) Vickers hardness | 1670 MPa (rank: 11th) Brinell hardness | 600 MPa (rank: 28th) bulk modulus | 130 GPa (rank: 19th) shear modulus | 132 GPa Young's modulus | 287 GPa (rank: 6th) Poisson ratio | 0.032 (rank: 54th) tensile yield strength | 240 MPa (rank: 5th) ultimate tensile strength | 370 MPa (rank: 5th) sound speed | 13000 m/s (rank: 3rd) thermal expansion | 1.13×10^-5 K^(-1) (rank: 32nd) thermal conductivity | 190 W/(m K) (rank: 6th) (properties at standard conditions)
density | 1.848 g/cm^3 (rank: 78th) liquid density | 1.69 g/cm^3 molar volume | 4.877 cm^3/mol Mohs hardness | 5.5 (between apatite and microcline) Vickers hardness | 1670 MPa (rank: 11th) Brinell hardness | 600 MPa (rank: 28th) bulk modulus | 130 GPa (rank: 19th) shear modulus | 132 GPa Young's modulus | 287 GPa (rank: 6th) Poisson ratio | 0.032 (rank: 54th) tensile yield strength | 240 MPa (rank: 5th) ultimate tensile strength | 370 MPa (rank: 5th) sound speed | 13000 m/s (rank: 3rd) thermal expansion | 1.13×10^-5 K^(-1) (rank: 32nd) thermal conductivity | 190 W/(m K) (rank: 6th) (properties at standard conditions)

Electromagnetic properties

electrical type | conductor resistivity | 4×10^-8 Ω m (ohm meters) electrical conductivity | 2.5×10^7 S/m (siemens per meter) magnetic type | diamagnetic volume magnetic susceptibility | -2.328×10^-5 mass magnetic susceptibility | -1.26×10^-8 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -1.136×10^-10 m^3/mol (cubic meters per mole) work function | 4.98 eV (Polycrystalline) threshold frequency | 1.204×10^15 Hz (hertz) superconducting point | 0.026 K (kelvins) color | (slate gray)
electrical type | conductor resistivity | 4×10^-8 Ω m (ohm meters) electrical conductivity | 2.5×10^7 S/m (siemens per meter) magnetic type | diamagnetic volume magnetic susceptibility | -2.328×10^-5 mass magnetic susceptibility | -1.26×10^-8 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -1.136×10^-10 m^3/mol (cubic meters per mole) work function | 4.98 eV (Polycrystalline) threshold frequency | 1.204×10^15 Hz (hertz) superconducting point | 0.026 K (kelvins) color | (slate gray)

Reactivity

valence | 2 electronegativity | 1.57 electron affinity | 0 kJ/mol (kilojoules per mole) first ionization energy | 899.5 kJ/mol (kilojoules per mole) ionization energies | 899.5 kJ/mol | 1757.1 kJ/mol | 14848.7 kJ/mol | 21006.6 kJ/mol
valence | 2 electronegativity | 1.57 electron affinity | 0 kJ/mol (kilojoules per mole) first ionization energy | 899.5 kJ/mol (kilojoules per mole) ionization energies | 899.5 kJ/mol | 1757.1 kJ/mol | 14848.7 kJ/mol | 21006.6 kJ/mol
Reactivity
Reactivity

Atomic properties

term symbol | ^1S_0 atomic radius | 105 pm covalent radius | 96 pm (electronic ground state properties)
term symbol | ^1S_0 atomic radius | 105 pm covalent radius | 96 pm (electronic ground state properties)
(neutral beryllium atomic spectrum)
(neutral beryllium atomic spectrum)

Abundances

universe abundance | 1×10^-7 mass% (rank: 61st) solar abundance | 1×10^-8 mass% (rank: 71st) meteorite abundance | 2.9×10^-6 mass% (rank: 74th) crust abundance | 1.9×10^-4 mass% (rank: 50th) ocean abundance | 6×10^-11 mass% (rank: 68th) human abundance | 4×10^-8 mass% (rank: 40th) universe molar abundance | 1×10^-8 mol% (rank: 35th) solar molar abundance | 9.9×10^-10 mol% (rank: 53rd) meteorite molar abundance | 7×10^-6 mol% (rank: 45th) ocean molar abundance | 4.1×10^-11 mol% (rank: 64th) crust molar abundance | 4.3×10^-4 mol% (rank: 36th) human molar abundance | 3×10^-8 mol% (rank: 40th)
universe abundance | 1×10^-7 mass% (rank: 61st) solar abundance | 1×10^-8 mass% (rank: 71st) meteorite abundance | 2.9×10^-6 mass% (rank: 74th) crust abundance | 1.9×10^-4 mass% (rank: 50th) ocean abundance | 6×10^-11 mass% (rank: 68th) human abundance | 4×10^-8 mass% (rank: 40th) universe molar abundance | 1×10^-8 mol% (rank: 35th) solar molar abundance | 9.9×10^-10 mol% (rank: 53rd) meteorite molar abundance | 7×10^-6 mol% (rank: 45th) ocean molar abundance | 4.1×10^-11 mol% (rank: 64th) crust molar abundance | 4.3×10^-4 mol% (rank: 36th) human molar abundance | 3×10^-8 mol% (rank: 40th)

Nuclear properties

half-life | (stable) stable isotopes | Be-9 (100%) nuclear spin | Be-5: 1/2^+ | Be-6: 0^+ | Be-7: 3/2^- | Be-8: 0^+ | Be-9: 3/2^- | Be-10: 0^+ | Be-11: 1/2^+ | Be-12: 0^+ | Be-13: 1/2^- | Be-14: 0^+ | Be-16: 0^+ unstable isotopes | Be-10 (1.51 Myr) | Be-7 (53.22 days) | Be-11 (13.81 s) | Be-12 (21.5 ms) | Be-14 (4.35 ms) | Be-16 (200 ns) | Be-15 (200 ns) | Be-8 (81.9 as) | Be-6 (5 zs) | Be-13 (2.7 zs) neutron cross-section | 0.0092 b neutron mass absorption | 3×10^-5 m^2/kg
half-life | (stable) stable isotopes | Be-9 (100%) nuclear spin | Be-5: 1/2^+ | Be-6: 0^+ | Be-7: 3/2^- | Be-8: 0^+ | Be-9: 3/2^- | Be-10: 0^+ | Be-11: 1/2^+ | Be-12: 0^+ | Be-13: 1/2^- | Be-14: 0^+ | Be-16: 0^+ unstable isotopes | Be-10 (1.51 Myr) | Be-7 (53.22 days) | Be-11 (13.81 s) | Be-12 (21.5 ms) | Be-14 (4.35 ms) | Be-16 (200 ns) | Be-15 (200 ns) | Be-8 (81.9 as) | Be-6 (5 zs) | Be-13 (2.7 zs) neutron cross-section | 0.0092 b neutron mass absorption | 3×10^-5 m^2/kg

Identifiers

CAS number | 7440-41-7 PubChem CID number | 5460467
CAS number | 7440-41-7 PubChem CID number | 5460467

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