Unseptunium 171

Atomic No. Order:

Alphabetic Order:

Periodic Table

2,8,18,32,50,

33,18, 8, 2

Sc
21

Y
39

La
57

Ac
89

Ubu
121

Usu
171

Bbu
221

Unseptunium

Symbol

Usu

Atomic Number

171

Relative Atomic Mass
¹²C = 12.0000

[ - ]

Significant Atomic Mass

471
Neutrons 300

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

171

Filling Orbital

6g ¹

Ground State Electron Configuration

[Uho]

6g¹

7d¹⁰ 8p⁶ 9s ²

Ground State Electron Configuration with
free Orbitals (n=47)

0, 0,0,0,0, 17, 14, 10, 6

G round 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	k
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	1	17	22
7	2	6	10	14	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:		2002-10-06		171.pdf
	Page update:		2007-05-21		171.pdf