Arsenic (As)
![](../Images/spacer.gif)
![](../Images/otherelements.gif)
![](../Images/spacer.gif)
![](../Images/neutralatom.gif)
![](../Images/singlyionized.gif)
![Homepage - Introduction Homepage - Introduction](../Images/mainPage.jpg)
![Finding list Finding list](../Images/findinglist.gif)
![Select element by name. Select element by name.](../Images/element_name_G.gif)
![Select element by atomic number. Select element by atomic number.](../Images/atomic_number_G.gif)
![Select element from periodic table Select element from periodic table](../Images/periodic_table_G.gif)
![](../Images/spacer.gif)
![Arsenic Atomic Data Arsenic Atomic Data](../Images/general_Y.gif)
![Arsenic Strong Lines Arsenic Strong Lines](../Images/strong_Y.gif)
![Arsenic Neutral Atom Persistent Lines Arsenic Neutral Atom Persistent Lines](../Images/persistent_Y.gif)
![Arsenic Neutral Atom Energy Levels Arsenic Neutral Atom Energy Levels](../Images/energy_Y.gif)
![Arsenic Singly Ionized Persistent Lines Arsenic Singly Ionized Persistent Lines](../Images/persistent_O.gif)
![Arsenic Singly Ionized Energy Levels Arsenic Singly Ionized Energy Levels](../Images/energy_B.gif)
Energy Levels of Singly Ionized Arsenic ( As II )
Configuration Term J Level(cm-1) Ref.
4p2 3P 0 0.0 LA71
1 1063.49 LA71
2 2541.35 LA71
4p2 1D 2 10095.82 LA71
4p2 1S 0 22598.6 LA71
4s4p3 5S° 2 54817.08 LA71
4s4p3 3D° 1 73749.89 LA71
2 73862.33 LA71
3 74244.42 LA71
4p5s (1/2,1/2)° 0 78730.893 LA71
1 79128.33 LA71
4p5s (3/2,1/2)° 2 81508.925 LA71
1 82819.214 LA71
4p4d 1D° 2 83100.804 LA71
4p4d 3P° 1 84636.186 LA71
0 84648.426 LA71
2 85105.86 LA71
--------------------------------------------
As III (2P°1/2) Limit 149932 LA71
![](../Images/spacer.gif)
![](../Images/otherelements.gif)
![](../Images/spacer.gif)
![](../Images/neutralatom.gif)
![](../Images/singlyionized.gif)
![Homepage - Introduction Homepage - Introduction](../Images/mainPage.jpg)
![Finding list Finding list](../Images/findinglist.gif)
![Select element by name. Select element by name.](../Images/element_name_G.gif)
![Select element by atomic number. Select element by atomic number.](../Images/atomic_number_G.gif)
![Select element from periodic table Select element from periodic table](../Images/periodic_table_G.gif)
![](../Images/spacer.gif)
![Arsenic Atomic Data Arsenic Atomic Data](../Images/general_Y.gif)
![Arsenic Strong Lines Arsenic Strong Lines](../Images/strong_Y.gif)
![Arsenic Neutral Atom Persistent Lines Arsenic Neutral Atom Persistent Lines](../Images/persistent_Y.gif)
![Arsenic Neutral Atom Energy Levels Arsenic Neutral Atom Energy Levels](../Images/energy_Y.gif)
![Arsenic Singly Ionized Persistent Lines Arsenic Singly Ionized Persistent Lines](../Images/persistent_O.gif)
![Arsenic Singly Ionized Energy Levels Arsenic Singly Ionized Energy Levels](../Images/energy_B.gif)