Ang fluor o plurina (Ingles : fluorine ) ay isang elementong kimikal sa talahanayang peryodiko na sinasagisag ng simbolong F at nagtataglay ng atomikong bilang 9 .
Agarang impormasyon Fluorine, Bigkas ...
Fluorine, 9 F Bigkas Allotropes alpha, beta (tingnan ang mga alotropo ng pluoruro) Appearance gas: very pale yellow liquid: bright yellow solid: alpha is opaque, beta is transparent 18.998403 162 ± 0.000000 005 18.998± 0.001 (pinaikli)[ 1] [ 2]
Atomikong bilang (Z ) 9 Group 17 Period 2 Block p-blockElectron configuration [ He ] 2s2 2p5 Electrons per shell 2, 7 Phase at STP gas Melting point (F2 ) 53.48 K (−219.67 °C, −363.41 °F) Boiling point (F2 ) 85.03 K (−188.11 °C, −306.60 °F) Density (at STP) 1.696 g/L when liquid (at b.p. ) 1.505 g/cm3 Triple point 53.48 K, .252 kPa[ 7] Critical point 144.41 K, 5.1724 MPa Heat of vaporization 6.51 kJ/mol Molar heat capacity Cp : 31 J/(mol·K) (at 21.1 °C) Cv : 23 J/(mol·K) (at 21.1 °C) Vapor pressure
P (Pa)
1
10
100
1 k
10 k
100 k
at T (K)
38
44
50
58
69
85
Oxidation states −1 , 0[ 8] (inioksida ang oksihino)Electronegativity Pauling scale: 3.98 Ionization energies 1st: 1681 kJ/mol 2nd: 3374 kJ/mol 3rd: 6147 kJ/mol (more ) Covalent radius 64 pm Van der Waals radius 135 pm Mga linyang espektral ng fluorine Natural occurrence primordiyal Crystal structure cubic Thermal conductivity 0.02591 W/(m⋅K) Magnetic ordering diamagnetic (−1.2×10−4 ) CAS Number 7782-41-4 Naming after the mineral fluorite , itself named after Latin fluo (to flow, in smelting) Discovery André-Marie Ampère (1810)First isolation Henri Moissan (June 26, 1886)Named by
Main isotopes
Decay
abun dance
half-life (t 1/2 )
mode
pro duct
18 F
trace
109.734 min
β+
18 O
19 F
100%
stable
Kategorya: Fluorine | references
Isara
May atomikong timbang na 18.9984, punto ng pagyeyelong (FP ) 62 °C, punto ng pagkulong 188.14 °C, espesipikong grabidad na 1.108 [sa anyong likido], at balensiyang 1) ay isang elementong haloheno . Isa itong elementong may kulay na maputlang dilaw. Bilang lason, mabagsik ito, nakakaagnas at nasa anyo ng isang gas . Ito ang pinaka-elektronegatibo at pinaka-reaktibo sa lahat ng mga elemento, at ginagamit na sangkap sa paggawa ng maraming uri ng mahahalagang mga kompawnd . Natuklasan ito ni Ferdinand Frederick Henri Moissan noong 1886.[ 16]