Fluorine 9

Atomic No. Order:

Alphabetic Order:

Periodic Table

F
9

Cl
17

Br
35

I
53

At
85

Uus
117

Uhs
167

Bus
217

Fluorine

Symbol

Atomic Number

Group

halogens

Relative Atomic Mass
¹²C = 12.0000

18.9984032

Atomic Radius pm

First Ionisation Energy
kJ mol ^-1

1681

Ionization energy (eV

17,4228

Electronegativity

3.98

Density
kg m ^-3

1516 [85 K]
1.696 [273 K]

Molar Volume cm ³

18.05 [85 K]

Thermal Conductivity
W m ^-1 K ^-1

0.0279 [300 K]
0.0248 [273 K]

Melting Point K

53.53

Boiling Point K

85.01

Number of Isotopes

Inner + outer Shells

Inner + outer Orbitals

Filling Orbital

2p ⁵

Ground State Electron
Configuration

[He] 2s ²

2p ⁵

Ground State Electron
Co nfiguration with
free Orbitals (n= 1)

0, 1

Ground State Electron
Configuration with
compressed Orbitals (n=0)

0, 0

Singularity

	s	p		d	f	g	h	i	j
1	2
2	2	5	1
3
4
5
6
7
8

Term Symbol

²P _3/2

Discovery

Discovered by H. Moissan (Paris, France) in 1886

Name Derived From

Latin fluere meaning 'to flow'

APSIDIUM ©	Created:	2002- 06-04	009.pdf
	Page update:	2005-01-18	009.pdf