Allan (acaa102010@yahoo.com)

Race #897

View Pit Stop page for race #897 by acaa102010@yahoo.comGhost race

View profile for Allan (acaa102010@yahoo.com)

Official speed 76.26 wpm (62.00 seconds elapsed during race)
Race Start August 21, 2013 12:25:36pm UTC
Race Finish August 21, 2013 12:26:38pm UTC
Outcome Win (1 of 5)
Accuracy 94.0%
Points 0.00
Text #105 (Length: 394 characters)

The treatment of atoms with more than one electron requires consideration of the effects of interelectronic repulsion, orbital penetration towards the nuclear shielding, and an extra quantum number which specifies the intrinsic energy of the electron in any orbital. All these considerations are necessary to allow construction of the modern form of the periodic classification of the elements.