کينډۍ:Infobox neon

Neon,  ₁₀Ne

Spectral lines of neon in the visible region
عمومي خواص
Pronunciation	/ˈniːɒn/
Appearance	colorless gas exhibiting an orange-red glow when placed in an electric field
Neon په دوراني جدول کې
He ↑ Ne ↓ Ar fluorine ← neon → sodium ‍
اټومي شمیره (Z)	10
گروپ, پیریود	group 18 (noble gases), period 2
بلاک	p-block
Element category	noble gas
معياري اټومي وزن (Ar)	کينډۍ:Val
Electron configuration	[He] 2s2 2p6
Electrons per shell	2, 8
فزیکي خواص
حالت (at STP)	گاز
دويلې کيدو ټکى	24.56 K ​(−248.59 °C, ​−415.46 °F)
يشنا ټکی	27.104 K ​(−246.046 °C, ​−410.883 °F)
کثافت (at STP)	0.9002 g/L
when liquid, at b.p.	1.207 g/cm3
Triple point	24.556 K, ​43.37 kPa
Critical point	44.4918 K, 2.7686 MPa
Heat of fusion	0.335 kJ/mol
Heat of vaporization	1.71 kJ/mol
Molar heat capacity	20.79 J/(mol·K)
Vapor pressure P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 12 13 15 18 21 27
اټومي خواص
Oxidation states	0
Ionization energies	1st: 2080.7 kJ/mol 2nd: 3952.3 kJ/mol 3rd: 6122 kJ/mol (more)
Covalent radius	58 pm
Van der Waals radius	154 pm
Miscellanea
Crystal structure	​face-centered cubic (fcc) Face-centered cubic crystal structure for neon
Speed of sound	435 m/s (gas, at 0 °C)
د تودوخې تېرېدنه	49.1×10−3 W/(m·K)
Magnetic ordering	diamagnetic
Magnetic susceptibility (χmol)	−6.74·10−6 cm3/mol (298 K)
Bulk modulus	654 GPa
CAS Number	7440-01-9
History
Prediction	William Ramsay (1897)
Discovery and first isolation	William Ramsay & Morris Travers (1898)
Main isotopes of neon
آيسو­ټوپ Abun­dance نیم ژوند (t1/2) Decay mode Pro­duct 20Ne 90.48% stable 21Ne 0.27% stable 22Ne 9.25% stable

Element navigation

PTneonPT

F ←

iso 10Ne ibox    wd:Q654

→ Na

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