Neon

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.

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

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