Neon

Neon
10Ne
He ↑ Ne ↓ Ar Periodic table fluorine ← neon → sodium
Panagway
colorless gas exhibiting an orange-red glow when placed in a high voltage electric field Neon gas in a discharge tube, so-called neon light. Spectral lines of neon in the visible region
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan	neon, Ne, 10
Paglitok	/ˈniːɒn/
Kategoriyang elemento	gas nga halangdon
Group, period, block	18, 2, p
Gibug-aton sa atomo	20.1797(6)
Kontorno sa elektron	[He] 2s2 2p6 2, 8 Electron shells of neon (2, 8)
History
Prediction	William Ramsay (1897)
Pagkadiskobre	William Ramsay & Morris Travers (1898)
First isolation	William Ramsay & Morris Travers (1898)
Physical properties
Phase	gas
Density	(0 °C, 101.325 kPa) 0.9002 g/L
Liquid density at b.p.	1.207 g·cm−3
Melting point	24.56 K, -248.59 °C, -415.46 °F
Boiling point	27.07 K, -246.08 °C, -410.94 °F
Triple point	24.5561 K (-249°C), 43 kPa
Critical point	44.4 K, 2.76 MPa
Heat of fusion	0.335 kJ·mol−1
Heat of vaporization	1.71 kJ·mol−1
Molar heat capacity	5R/2 = 20.786 J·mol−1·K−1
Vapor 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
Ionization energies (more)	1st: 2080.7 kJ·mol−1
	2nd: 3952.3 kJ·mol−1
	3rd: 6122 kJ·mol−1
Covalent radius	58 pm
Van der Waals radius	154 pm
Miscellanea
Crystal structure	face-centered cubic
Magnetic ordering	diamagnetic
Thermal conductivity	49.1x10-3  W·m−1·K−1
Speed of sound	(gas, 0 °C) 435 m·s−1
Bulk modulus	654 GPa
CAS registry number	7440-01-9
Most stable isotopes
Main article: Isotopes of neon
iso NA half-life DM DE (MeV) DP 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

Ang neon mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga Ne ug kaiphan nga atomik 10. Ang neon mao ang gas nga halangdon.

Galeriya sa hulagway

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