Question

Provide the orbital diagram, electron configuration, condensed electron configuration, and the number of unpaired electrons for ground state (a) oxygen, (b) titanium and (c) chromium.
Discussion: How would you use the periodic table above to help fill the orbitals of many-electron atoms? Which atoms on the first row of the transition metals have anomalous electron configurations?

               

Answer 1

Solution:

1. Provide the orkaital diagram elichonic contiguration, condensed electronio configuration and the number of unpaired electrons for ground state a) oxygen b) Titanium c) Chromium solution: a) oxygen. To draw orbital diagram we first know the atomic number of element. atomic number of oxygen is 8 orbital diagram: crno 15 25 sur 2p electronic configuranion : 152 252 264 condensed electronic configuration : [He] 282 2p4 Number of unpaired elections : 2 (in ap shell) b) Titanium Atomic number Titanium is 22 Orbital Diagram: [av] [w] Layla la Orbit Diagram : AV AV 12 AV ル [uv (Glavlan IS 252P 35 3p 16 45 electronic configuration [Ti] = 152 25² 206 35 2 3p6 45 3 d2 condensed electronio configuranon Ti : [Ar]3d2452 nlamber of unpaired electrons : 02 (in 3d shell)

b) configuration ane chromium and copper's electronic main exceptions Oveitat deågram og er: atomic number - 24 246 [ALL [AL [anlarlnu LALI Couleuleul A 1111t IS 25 20 35 30 45 3d this should be electron filling but 3d has one electron less to complete its half state and get stabilized this higher orbital 4s give its one election to an stabilized 3d shell. cierne this a stable electronic configuration will be जालनामनाया जाता जाता 15 26 al 3s 3p 46 thus electronic configuration wis own = 152 252 ap 352 36 45 305 Similarly in case of copper also happening atomic number of upper : 29 orbital diagram 240 (a(nu foulu fal noulut (1. lulus bas aulas 15 25 P on 35 3p One electron shifted from 45 to 3d filled and stable .. H 45 - to make ad 3d completely ftud for AL by placed the bufala sua makula IS 25 op nr 35 osp an 45 3d electronic configuration : 15², 28² 286 35² 3p6 qs ad

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