Unennunium 191

Atomic No. Order:

Alphabetic Order:

Periodic Table

2,8,18,32,50,

50, 21, 8, 2

Pr
59

Pa
91

Uqu
141

Ueu
191

Unennunium

Symbol

Ueu

Atomic Number

191
actinide series

Relative Atomic Mass
¹²C = 12.0000

[ - ]

Significant Atomic Mass

527
Neutrons 336

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

Melting Point

Boiling Point

Number of Isotopes

Inner+ outer Shells

Inner + outer Orbitals

110

191

Filling Orbital

7f ³

Ground State Electron Configuration

[Uho]

6g¹⁸

7f³

8p⁶ 9s²

Ground State Electron Configuration with
free Orbitals (n=27)

0, 0,0,0,0, 0, 11, 10, 6

Ground State Electron Configuration with compressed Orbitals (n=352)

0,0,0,0,0, 22, 66, 110, 154

Singularity

570

110

352

	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	14		18	22
7	2	6	10	3	11	18	22	26
8	2	6	10	14		18	22	26	30
9	2	6	10	14		18	22	26	30	34
10

Term Symbol

Discovery

Name Derived From

IUPAC

APSIDIUM	Created:		2002-11-15		191.pdf
	Page update:		2005-09-27		191.pdf