neon vs radon

neon (chemical element) | radon (chemical element)

Periodic table location

Images

| neon | radon atomic symbol | Ne | Rn atomic number | 10 | 86 short electronic configuration | [He]2s^22p^6 | [Xe]6s^24f^145d^106p^6 Aufbau diagram | 2p 2s | 6p 5d 4f 6s block | p | p group | 18 | 18 period | 2 | 6 atomic mass | 20.1797 u | 222 u half-life | (stable) | 91.7639 h

| neon | radon phase at STP | gas | gas melting point | -248.59 °C | -71 °C boiling point | -246.08 °C | -61.7 °C critical temperature | 44.4 K | 377 K critical pressure | 2.76 MPa | 6.28 MPa molar heat of fusion | 0.34 kJ/mol | 3 kJ/mol molar heat of vaporization | 1.75 kJ/mol | 17 kJ/mol specific heat at STP | 1030 J/(kg K) | 93.65 J/(kg K) adiabatic index | 5/3 | 5/3 (properties at standard conditions)

| neon | radon density | 9×10^-4 g/cm^3 | 0.00973 g/cm^3 molar volume | 22400 cm^3/mol | 22800 cm^3/mol refractive index | 1.000067 | sound speed | 936 m/s | thermal conductivity | 0.0491 W/(m K) | 0.00361 W/(m K) (properties at standard conditions)

| neon | radon 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) | (colorless) refractive index | 1.000067 |

| neon | radon valence | 0 | 6 electron affinity | 0 kJ/mol (kilojoules per mole) | 0 kJ/mol (kilojoules per mole) first ionization energy | 2080.7 kJ/mol (kilojoules per mole) | 1037 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 | 1037 kJ/mol

Reactivity

| neon | radon term symbol | ^1S_0 | ^1S_0 atomic radius | 38 pm | 120 pm covalent radius | 58 pm | 150 pm van der Waals radius | 154 pm | (electronic ground state properties)

| neon | radon universe abundance | 0.13 mass% | solar abundance | 0.1 mass% | crust abundance | 3×10^-7 mass% | ocean abundance | 1.2×10^-8 mass% | 6×10^-20 mass% universe molar abundance | 0.008 mol% | solar molar abundance | 0.007 mol% | ocean molar abundance | 3.7×10^-9 mol% | 2×10^-6 mol% crust molar abundance | 3×10^-7 mol% |

| neon | radon half-life | (stable) | 91.7639 h specific radioactivity | | 5692 TBq/g decay mode | | alpha emission 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^+ | Rn-195: 3/2^- | Rn-196: 0^+ | Rn-197: 3/2^- | Rn-198: 0^+ | Rn-199: 3/2^- | Rn-200: 0^+ | Rn-201: 3/2^- | Rn-202: 0^+ | Rn-203: 3/2^- | Rn-204: 0^+ | Rn-205: 5/2^- | Rn-206: 0^+ | Rn-207: 5/2^- | Rn-208: 0^+ | Rn-209: 5/2^- | Rn-210: 0^+ | Rn-211: 1/2^- | Rn-212: 0^+ | Rn-213: 9/2^+ | Rn-214: 0^+ | Rn-215: 9/2^+ | Rn-216: 0^+ | Rn-217: 9/2^+ | Rn-218: 0^+ | Rn-219: 5/2^+ | Rn-220: 0^+ | Rn-221: 7/2^+ | Rn-222: 0^+ | Rn-223: 7/2^? | Rn-224: 0^+ | Rn-225: 7/2^- | Rn-226: 0^+ | Rn-227: 5/2^+ | Rn-228: 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) | Rn-222 (91.7639 h) | Rn-211 (14.6 h) | Rn-210 (140 min) | Rn-224 (107 min) | Rn-209 (28.5 min) | Rn-221 (25 min) | Rn-208 (24.35 min) | Rn-223 (24.33 min) | Rn-212 (23.9 min) | Rn-207 (9.25 min) | Rn-226 (7.33 min) | Rn-206 (5.67 min) | Rn-225 (4.67 min) | Rn-205 (170 s) | Rn-204 (70.2 s) | Rn-228 (65 s) | Rn-220 (55.6 s) | Rn-203 (43.5 s) | Rn-227 (20.8 s) | Rn-202 (9.7 s) | Rn-201 (7 s) | Rn-219 (3.96 s) | Rn-200 (1.03 s) | Rn-199 (590 ms) | Rn-198 (65 ms) | Rn-197 (66 ms) | Rn-218 (35 ms) | Rn-213 (19.5 ms) | Rn-195 (6 ms) | Rn-196 (4.4 ms) | Rn-217 (540 µs) | Rn-216 (45 µs) | Rn-215 (2.3 µs) | Rn-214 (270 ns) neutron cross-section | 0.04 b | 0.7 b neutron mass absorption | 6×10^-4 m^2/kg |

| neon | radon CAS number | 7440-01-9 | 10043-92-2 PubChem CID number | 23935 | 24857 Gmelin number | | 16242