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neon

Input interpretation

neon (chemical element)
neon (chemical element)

Periodic table location

Periodic table location
Periodic table location

Image

Image
Image

Basic elemental properties

atomic symbol | Ne atomic number | 10 short electronic configuration | [He]2s^22p^6 Aufbau diagram | 2p 2s block | p group | 18 period | 2 atomic mass | 20.1797 u (unified atomic mass units)
atomic symbol | Ne atomic number | 10 short electronic configuration | [He]2s^22p^6 Aufbau diagram | 2p 2s block | p group | 18 period | 2 atomic mass | 20.1797 u (unified atomic mass units)

Thermodynamic properties

phase at STP | gas melting point | -248.59 °C (rank: 100th) boiling point | -246.08 °C (rank: 92nd) critical temperature | 44.4 K (rank: 19th) critical pressure | 2.76 MPa (rank: 19th) molar heat of fusion | 0.34 kJ/mol (rank: 90th) molar heat of vaporization | 1.75 kJ/mol (rank: 92nd) specific heat at STP | 1030 J/(kg K) (rank: 7th) adiabatic index | 5/3 (rank: 1st) (properties at standard conditions)
phase at STP | gas melting point | -248.59 °C (rank: 100th) boiling point | -246.08 °C (rank: 92nd) critical temperature | 44.4 K (rank: 19th) critical pressure | 2.76 MPa (rank: 19th) molar heat of fusion | 0.34 kJ/mol (rank: 90th) molar heat of vaporization | 1.75 kJ/mol (rank: 92nd) specific heat at STP | 1030 J/(kg K) (rank: 7th) adiabatic index | 5/3 (rank: 1st) (properties at standard conditions)

Material properties

density | 9×10^-4 g/cm^3 (rank: 94th) molar volume | 22400 cm^3/mol refractive index | 1.000067 sound speed | 936 m/s (rank: 67th) thermal conductivity | 0.0491 W/(m K) (rank: 86th) (properties at standard conditions)
density | 9×10^-4 g/cm^3 (rank: 94th) molar volume | 22400 cm^3/mol refractive index | 1.000067 sound speed | 936 m/s (rank: 67th) thermal conductivity | 0.0491 W/(m K) (rank: 86th) (properties at standard conditions)

Electromagnetic properties

magnetic type | diamagnetic volume magnetic susceptibility | -3.69×10^-9 mass magnetic susceptibility | -4.1×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -8.27×10^-11 m^3/mol (cubic meters per mole) color | (colorless) refractive index | 1.000067
magnetic type | diamagnetic volume magnetic susceptibility | -3.69×10^-9 mass magnetic susceptibility | -4.1×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -8.27×10^-11 m^3/mol (cubic meters per mole) color | (colorless) refractive index | 1.000067

Reactivity

valence | 0 electron affinity | 0 kJ/mol (kilojoules per mole) first ionization energy | 2080.7 kJ/mol (kilojoules per mole) ionization energies | 2080.7 kJ/mol | 3952.3 kJ/mol | 6122 kJ/mol | 9371 kJ/mol | 12177 kJ/mol | 15238 kJ/mol | 19999 kJ/mol | 23069.5 kJ/mol | 115379.5 kJ/mol | 131432 kJ/mol
valence | 0 electron affinity | 0 kJ/mol (kilojoules per mole) first ionization energy | 2080.7 kJ/mol (kilojoules per mole) ionization energies | 2080.7 kJ/mol | 3952.3 kJ/mol | 6122 kJ/mol | 9371 kJ/mol | 12177 kJ/mol | 15238 kJ/mol | 19999 kJ/mol | 23069.5 kJ/mol | 115379.5 kJ/mol | 131432 kJ/mol
Reactivity
Reactivity

Atomic properties

term symbol | ^1S_0 atomic radius | 38 pm covalent radius | 58 pm van der Waals radius | 154 pm (electronic ground state properties)
term symbol | ^1S_0 atomic radius | 38 pm covalent radius | 58 pm van der Waals radius | 154 pm (electronic ground state properties)
(neutral neon atomic spectrum)
(neutral neon atomic spectrum)

Abundances

universe abundance | 0.13 mass% (rank: 5th) solar abundance | 0.1 mass% (rank: 5th) crust abundance | 3×10^-7 mass% (rank: 75th) ocean abundance | 1.2×10^-8 mass% (rank: 38th) universe molar abundance | 0.008 mol% (rank: 6th) solar molar abundance | 0.007 mol% (rank: 6th) ocean molar abundance | 3.7×10^-9 mol% (rank: 45th) crust molar abundance | 3×10^-7 mol% (rank: 73rd)
universe abundance | 0.13 mass% (rank: 5th) solar abundance | 0.1 mass% (rank: 5th) crust abundance | 3×10^-7 mass% (rank: 75th) ocean abundance | 1.2×10^-8 mass% (rank: 38th) universe molar abundance | 0.008 mol% (rank: 6th) solar molar abundance | 0.007 mol% (rank: 6th) ocean molar abundance | 3.7×10^-9 mol% (rank: 45th) crust molar abundance | 3×10^-7 mol% (rank: 73rd)

Nuclear properties

half-life | (stable) stable isotopes | Ne-20 (90.48%) | Ne-22 (9.25%) | Ne-21 (0.27%) nuclear spin | Ne-16: 0^+ | Ne-17: 1/2^- | Ne-18: 0^+ | Ne-19: 1/2^+ | Ne-20: 0^+ | Ne-21: 3/2^+ | Ne-22: 0^+ | Ne-23: 5/2^+ | Ne-24: 0^+ | Ne-25: 3/2^+ | Ne-26: 0^+ | Ne-27: 3/2^+ | Ne-28: 0^+ | Ne-29: 3/2^+ | Ne-30: 0^+ | Ne-31: 7/2^- | Ne-32: 0^+ | Ne-33: 7/2^- | Ne-34: 0^+ unstable isotopes | Ne-24 (203 s) | Ne-23 (37.24 s) | Ne-19 (17.22 s) | Ne-18 (1.672 s) | Ne-25 (602 ms) | Ne-26 (192 ms) | Ne-17 (109.2 ms) | Ne-27 (32 ms) | Ne-28 (18.9 ms) | Ne-29 (14.8 ms) | Ne-30 (7.3 ms) | Ne-32 (3.5 ms) | Ne-31 (3.4 ms) | Ne-33 (180 ns) | Ne-34 (60 ns) | Ne-16 (3.74 zs) neutron cross-section | 0.04 b neutron mass absorption | 6×10^-4 m^2/kg
half-life | (stable) stable isotopes | Ne-20 (90.48%) | Ne-22 (9.25%) | Ne-21 (0.27%) nuclear spin | Ne-16: 0^+ | Ne-17: 1/2^- | Ne-18: 0^+ | Ne-19: 1/2^+ | Ne-20: 0^+ | Ne-21: 3/2^+ | Ne-22: 0^+ | Ne-23: 5/2^+ | Ne-24: 0^+ | Ne-25: 3/2^+ | Ne-26: 0^+ | Ne-27: 3/2^+ | Ne-28: 0^+ | Ne-29: 3/2^+ | Ne-30: 0^+ | Ne-31: 7/2^- | Ne-32: 0^+ | Ne-33: 7/2^- | Ne-34: 0^+ unstable isotopes | Ne-24 (203 s) | Ne-23 (37.24 s) | Ne-19 (17.22 s) | Ne-18 (1.672 s) | Ne-25 (602 ms) | Ne-26 (192 ms) | Ne-17 (109.2 ms) | Ne-27 (32 ms) | Ne-28 (18.9 ms) | Ne-29 (14.8 ms) | Ne-30 (7.3 ms) | Ne-32 (3.5 ms) | Ne-31 (3.4 ms) | Ne-33 (180 ns) | Ne-34 (60 ns) | Ne-16 (3.74 zs) neutron cross-section | 0.04 b neutron mass absorption | 6×10^-4 m^2/kg

Identifiers

CAS number | 7440-01-9 PubChem CID number | 23935
CAS number | 7440-01-9 PubChem CID number | 23935

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