Periodic Table
By ChemicalAid
ChemicalAid PTable
Elements
Element List
Element Charts
Future Elements
Calculators
Chemical Equation Balancer
Electron Configuration Calculator
Valence Electron Calculator
Practice
Flashcards
Fun
Chemistry Jokes
Element Word Speller
Chemistry Emojis
untriennium ‹
Ute ‹
unquadnilium
› unquadunium
› Uqu
unquadnilium (Uqn)
hypothetical chemical element with the atomic number 140.
Número Atómico
140
Símbolo Químico
Uqn
protón
140
electrón
140
Configuración electrónica
1s
2
2s
2
2p
6
3s
2
3p
6
4s
2
3d
10
4p
6
5s
2
4d
10
5p
6
6s
2
4f
14
5d
10
6p
6
7s
2
5f
14
6d
10
7p
6
8s
2
5g
18
6f
2
capa electrónica
2, 8, 18, 32, 50, 20, 8, 2
unquadnilium
identificador
CAS Registry Number
61969-73-1
identificador Freebase
/m/0nbdnd9