Index | Element | I.S. |  Z  | Conf. | Level | ¡÷E (eV) | Method | Ref. | |
1 | K | K | 19 | 3P64S | 2S1/2 | 4.34066 | 3.8E-06 | COMP | R400 |
2 | K | K | 19 | 3P64S | 2S1/2 | 4.34069 | 1.E-5 | COMP | R401 |
3 | K | K | 19 | 4.339 | COMP | R406 | |||
4 | K | K | 19 | 4.34 | COMP | R407 |
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'I.S.' ---------- the isoelectronic sequence
'Z' ---------- atomic number
'Conf.' ---------- configuration
'Level' ---------- the notation of energy level
'E' ---------- the ionization potential
'¡÷E' ---------- error for ionization potential
'Method' ---------- the method by which the data is produced
'Ref.' ---------- the reference