Àdàkọ:Infobox nẹ́ọ̀nù

Nẹ́ọ̀nù, ₁₀Ne

Nẹ́ọ̀nù
Ìhànsójú	colorless gas exhibiting an orange-red glow when placed in a high voltage electric field
Ìwúwo átọ̀mù Ar, std(Ne)	20.1797(6)
Nẹ́ọ̀nù ní orí tábìlì àyè
Hydrogen Helium Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson He ↑ Ne ↓ Ar fluorínì ← nẹ́ọ̀nù → sódíọ̀mù
Nọ́mbà átọ̀mù (Z)	10
Ẹgbẹ́	group 18 (noble gases)
Àyè	àyè 2
Àdìpọ̀	Àdìpọ̀-p
Ẹ̀ka ẹ́límẹ́ntì	Ẹ̀fúùfù abíire
Ìtò ẹ̀lẹ́ktrọ́nù	[He] 2s2 2p6
Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan	2, 8
Àwọn ohun ìní ara
Ìfarahàn at STP	ẹ̀fúùfù
Ìgbà ìyọ́	24.56 K ​(-248.59 °C, ​-415.46 °F)
Ígbà ìhó	27.07 K ​(-246.08 °C, ​-410.94 °F)
Kíki (at STP)	0.9002 g/L
when liquid (at b.p.)	1.207 g/cm3
Triple point	24.5561 K, ​43 kPa
Critical point	44.4 K, 2.76 MPa
Heat of fusion	0.335 kJ/mol
Heat of	1.71 kJ/mol
Molar heat capacity	5R/2 = 20.786 J/(mol·K)
pressure P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 12 13 15 18 21 27
Atomic properties
Oxidation states	0
energies	(more)
Covalent radius	58 pm
Van der Waals radius	154 pm
Color lines in a spectral range Spectral lines of nẹ́ọ̀nù
Other properties
Natural occurrence	primordial
Crystal structure	​(fcc)
Speed of sound	(gas, 0 °C) 435 m/s
Thermal conductivity	49.1x10-3  W/(m·K)
Magnetic ordering	diamagnetic
Bulk modulus	654 GPa
CAS Number	7440-01-9
History
Prediction	William Ramsay (1897)
Discovery	William Ramsay & Morris Travers (1898)
First isolation	William Ramsay & Morris Travers (1898)
Main isotopes of nẹ́ọ̀nù
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct 20Ne 90.48% 20Ne is stable with 10 neutrons 21Ne 0.27% 21Ne is stable with 11 neutrons 22Ne 9.25% 22Ne is stable with 12 neutrons

References

This reference list does not appear in the article.