Skip to content
فلوئور

File:Fluoro_liquido_a_-196°C_1.jpg · Wikimedia Commons · See Wikimedia Commons

EntityQ650· pop 174· linked from 1,837 articles

فلوئور

Sign in to save

Also known as element 9, ₉F

عنصری شیمیایی با نماد F و عدد اتمی ۹

OverviewAI-generated

Fluorine is a chemical element with the symbol F and atomic number 9. Its mass is 18.998403162, and it has an electron configuration of 1s² 2s² 2p⁵, or [He] 2s² 2p⁵. The element exhibits an oxidation state of -1 and an electronegativity of 3.98. Its ionization energy is 15.7, and its ionic radius is 1.33.

Fluorine was discovered in 1810. It has a melting point of -363 and a boiling point of -307. The vapor pressure is 1. The substance is immediately dangerous to life or health at a level of 38.75. The time-weighted average exposure limit is 0.2. The NIOSH Pocket Guide ID is 0289.

Synthesized by Vinony from 32 facts across 4 sources: Wikidata, PubChem, PubMed, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.

Chemical data

Formula
F
Molecular weight
18.99840316 g/mol
IUPAC name
fluorane
SMILES
[F]
InChIKey
YCKRFDGAMUMZLT-UHFFFAOYSA-N
XLogP
0.6
Polar surface area
0 Ų
H-bond donors
0
H-bond acceptors
0
Formal charge
0

via PubChem

Research

64,795 papers

via PubMed

Wikidata facts

Instance of
lithophile
Subclass of
halogens
Part of
halogens
Followed by
neon
Mass
18.998403162
Image
Liquid fluorine tighter crop.jpg
Show 25 more facts
immediately dangerous to life or health
38.75
Commons gallery
Fluorine
melting point
-363
oxidation state
-1
element symbol
F
Commons category
Fluorine
topic's main category
Category:Fluorine
electronegativity
3.98
atomic number
9
NIOSH Pocket Guide ID
0289
discoverer or inventor
André-Marie Ampère
boiling point
-307
vapor pressure
1
ionization energy
15.7
time-weighted average exposure limit
0.2
time of discovery or invention
1810-00-00
location of discovery
France
Unicode character
氟
different from
fluorene
electron configuration
[He] 2s² 2p⁵
chemical formula
F
ionic radius
0.08
on focus list of Wikimedia project
Wikipedia:Vital articles/Level/4
maintained by WikiProject
WikiProject Elements
Sources (5)

via Wikidata · CC0

Gallery (33)