Unquadnilium 140 Uqn

Atomic No. Order:

Alphabetic Order:

Periodic Table

2, 8, 18, 32, 50,

20, 8, 2

Uqn
140

Uen
190

Unquadnilium

Symbol

Uqn
superactinide series

Atomic Number

140

Relative Atomic Mass
¹²C = 12.0000

[ - ]

Significant Atomic Mass

372
Neutrons 232

Atomic Radius pm

First Ionisation Energy
kJ mol^-1

Electronegativity

Density kg m^-3

Molar Volume cm³

Thermal Conductivity
W m^-1 K^-1

Melting Point

Boiling Point

Number of Isotopes

Inner + outer Shells

Inner + outer Orbitals

110

140

Filling Orbital

6f ²

Ground State Electron Configuration

[Uuo]

5g ¹⁸

6f ²

7p⁶ 8s²

Ground State Electron Configuration with
free Orbitals (n=28)

0, 0, 0, 0, 0, 12, 10, 6

Ground State Electron Configuration with
comp. Orbitals (n= 240)

0, 0, 0, 0, 0, 40, 80, 120

Singularity

408

110

240

	s	p	d	f		g	h	i	j
1	2
2	2	6
3	2	6	10
4	2	6	10	14
5	2	6	10	14		18
6	2	6	10	2	12	18	22
7	2	6	10	14		18	22	26
8	2	6	10	14		18	22	26	30
9

Term Symbol

Discovery

Element at the time of writing
has not been discovered.

Name Derived From

IUPAC

APSIDIUM	Created:		2002-09-25		140.pdf
	Page update:		2007-12-09		140.pdf