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number of sodium

Input interpretation

sodium (chemical element)
sodium (chemical element)

Periodic table location

Periodic table location
Periodic table location

Image

Image
Image

Basic elemental properties

atomic symbol | Na atomic number | 11 short electronic configuration | [Ne]3s^1 Aufbau diagram | 3s block | s group | 1 period | 3 atomic mass | 22.98976928 u (unified atomic mass units)
atomic symbol | Na atomic number | 11 short electronic configuration | [Ne]3s^1 Aufbau diagram | 3s block | s group | 1 period | 3 atomic mass | 22.98976928 u (unified atomic mass units)

Thermodynamic properties

phase at STP | solid melting point | 97.72 °C (rank: 84th) boiling point | 883 °C (rank: 72nd) critical temperature | 2573 K (rank: 2nd) critical pressure | 35 MPa (rank: 3rd) molar heat of fusion | 2.6 kJ/mol (rank: 77th) molar heat of vaporization | 97.7 kJ/mol (rank: 69th) specific heat at STP | 1230 J/(kg K) (rank: 5th) (properties at standard conditions)
phase at STP | solid melting point | 97.72 °C (rank: 84th) boiling point | 883 °C (rank: 72nd) critical temperature | 2573 K (rank: 2nd) critical pressure | 35 MPa (rank: 3rd) molar heat of fusion | 2.6 kJ/mol (rank: 77th) molar heat of vaporization | 97.7 kJ/mol (rank: 69th) specific heat at STP | 1230 J/(kg K) (rank: 5th) (properties at standard conditions)

Material properties

density | 0.968 g/cm^3 (rank: 83rd) liquid density | 0.927 g/cm^3 molar volume | 23.7 cm^3/mol Mohs hardness | 0.5 (between talc and gypsum) Brinell hardness | 0.69 MPa (rank: 57th) bulk modulus | 6.3 GPa (rank: 64th) shear modulus | 3.3 GPa Young's modulus | 10 GPa (rank: 57th) ultimate tensile strength | 10 MPa (rank: 36th) sound speed | 3200 m/s (rank: 31st) thermal expansion | 7.1×10^-5 K^(-1) (rank: 3rd) thermal conductivity | 140 W/(m K) (rank: 12th) (properties at standard conditions)
density | 0.968 g/cm^3 (rank: 83rd) liquid density | 0.927 g/cm^3 molar volume | 23.7 cm^3/mol Mohs hardness | 0.5 (between talc and gypsum) Brinell hardness | 0.69 MPa (rank: 57th) bulk modulus | 6.3 GPa (rank: 64th) shear modulus | 3.3 GPa Young's modulus | 10 GPa (rank: 57th) ultimate tensile strength | 10 MPa (rank: 36th) sound speed | 3200 m/s (rank: 31st) thermal expansion | 7.1×10^-5 K^(-1) (rank: 3rd) thermal conductivity | 140 W/(m K) (rank: 12th) (properties at standard conditions)

Electromagnetic properties

electrical type | conductor resistivity | 4.7×10^-8 Ω m (ohm meters) electrical conductivity | 2.1×10^7 S/m (siemens per meter) magnetic type | paramagnetic volume magnetic susceptibility | 8.5×10^-6 mass magnetic susceptibility | 8.8×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 2×10^-10 m^3/mol (cubic meters per mole) work function | 2.36 eV (Polycrystalline) threshold frequency | 5.706×10^14 Hz (hertz) color | (silver)
electrical type | conductor resistivity | 4.7×10^-8 Ω m (ohm meters) electrical conductivity | 2.1×10^7 S/m (siemens per meter) magnetic type | paramagnetic volume magnetic susceptibility | 8.5×10^-6 mass magnetic susceptibility | 8.8×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 2×10^-10 m^3/mol (cubic meters per mole) work function | 2.36 eV (Polycrystalline) threshold frequency | 5.706×10^14 Hz (hertz) color | (silver)

Reactivity

valence | 1 electronegativity | 0.93 electron affinity | 52.8 kJ/mol (kilojoules per mole) first ionization energy | 495.8 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
valence | 1 electronegativity | 0.93 electron affinity | 52.8 kJ/mol (kilojoules per mole) first ionization energy | 495.8 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
Reactivity
Reactivity

Atomic properties

term symbol | ^2S_(1/2) atomic radius | 180 pm covalent radius | 166 pm van der Waals radius | 227 pm (electronic ground state properties)
term symbol | ^2S_(1/2) atomic radius | 180 pm covalent radius | 166 pm van der Waals radius | 227 pm (electronic ground state properties)
(neutral sodium atomic spectrum)
(neutral sodium atomic spectrum)

Abundances

universe abundance | 0.002 mass% (rank: 15th) solar abundance | 0.004 mass% (rank: 15th) meteorite abundance | 0.55 mass% (rank: 11th) crust abundance | 2.3 mass% (rank: 7th) ocean abundance | 1.1 mass% (rank: 4th) human abundance | 0.14 mass% (rank: 9th) universe molar abundance | 1×10^-4 mol% (rank: 14th) solar molar abundance | 2×10^-4 mol% (rank: 15th) meteorite molar abundance | 0.48 mol% (rank: 10th) ocean molar abundance | 0.3 mol% (rank: 4th) crust molar abundance | 2.1 mol% (rank: 8th) human molar abundance | 0.038 mol% (rank: 8th)
universe abundance | 0.002 mass% (rank: 15th) solar abundance | 0.004 mass% (rank: 15th) meteorite abundance | 0.55 mass% (rank: 11th) crust abundance | 2.3 mass% (rank: 7th) ocean abundance | 1.1 mass% (rank: 4th) human abundance | 0.14 mass% (rank: 9th) universe molar abundance | 1×10^-4 mol% (rank: 14th) solar molar abundance | 2×10^-4 mol% (rank: 15th) meteorite molar abundance | 0.48 mol% (rank: 10th) ocean molar abundance | 0.3 mol% (rank: 4th) crust molar abundance | 2.1 mol% (rank: 8th) human molar abundance | 0.038 mol% (rank: 8th)

Nuclear properties

half-life | (stable) stable isotopes | Na-23 (100%) nuclear spin | Na-18: 1^- | Na-19: 5/2^+ | Na-20: 2^+ | Na-21: 3/2^+ | Na-22: 3^+ | Na-23: 3/2^+ | Na-24: 4^+ | Na-25: 5/2^+ | Na-26: 3^+ | Na-27: 5/2^+ | Na-28: 1^+ | Na-29: 3/2^+ | Na-30: 2^+ | Na-31: 3/2^+ | Na-33: 3/2^+ | Na-34: 1^+ | Na-35: 3/2^+ | Na-37: 3/2^+ unstable isotopes | Na-22 (2.6027 yr) | Na-24 (14.997 h) | Na-25 (59.1 s) | Na-21 (22.49 s) | Na-26 (1.077 s) | Na-20 (447.9 ms) | Na-27 (301 ms) | Na-30 (48.4 ms) | Na-29 (44.9 ms) | Na-28 (30.5 ms) | Na-31 (17 ms) | Na-32 (13.2 ms) | Na-33 (8 ms) | Na-34 (5.5 ms) | Na-35 (1.5 ms) | Na-36 (180 ns) | Na-37 (60 ns) | Na-19 (40 ns) | Na-18 (1.3 zs) neutron cross-section | 0.53 b neutron mass absorption | 7×10^-4 m^2/kg
half-life | (stable) stable isotopes | Na-23 (100%) nuclear spin | Na-18: 1^- | Na-19: 5/2^+ | Na-20: 2^+ | Na-21: 3/2^+ | Na-22: 3^+ | Na-23: 3/2^+ | Na-24: 4^+ | Na-25: 5/2^+ | Na-26: 3^+ | Na-27: 5/2^+ | Na-28: 1^+ | Na-29: 3/2^+ | Na-30: 2^+ | Na-31: 3/2^+ | Na-33: 3/2^+ | Na-34: 1^+ | Na-35: 3/2^+ | Na-37: 3/2^+ unstable isotopes | Na-22 (2.6027 yr) | Na-24 (14.997 h) | Na-25 (59.1 s) | Na-21 (22.49 s) | Na-26 (1.077 s) | Na-20 (447.9 ms) | Na-27 (301 ms) | Na-30 (48.4 ms) | Na-29 (44.9 ms) | Na-28 (30.5 ms) | Na-31 (17 ms) | Na-32 (13.2 ms) | Na-33 (8 ms) | Na-34 (5.5 ms) | Na-35 (1.5 ms) | Na-36 (180 ns) | Na-37 (60 ns) | Na-19 (40 ns) | Na-18 (1.3 zs) neutron cross-section | 0.53 b neutron mass absorption | 7×10^-4 m^2/kg

Identifiers

CAS number | 7440-23-5 PubChem CID number | 5360545
CAS number | 7440-23-5 PubChem CID number | 5360545

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