Question

What are the term symbols for the ground state configuration of the halogens(F, Cl, Br, and I)? Which term symbol represents the true atomic ground state?

Answer 1

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Page No Date s Total Laluee is made by additianst a Re suddant hhete (L-Angusk Naluet ip. ( pling) momenvm LE nd Azimutha mapncic angulat moment for each -shet L-1 2-1 1 P for Hence the samba is Naw hy knouin the spin volues wecan calesdete esultant spir utm mambet hy S-s Caphng SStsztg+S4 Thus fr p 11 2 2 S=0+0+ 2 S 1 Heace the seruldant Spin quanum numbet it 5 Spim mldiplierby Cest) hence we have Natue t fern his we Lan caleudate mumcatun quantum nmhet J =L+S= +1/=3/ L and S (tota angulat Gnd +1 T T hai Nalues fom 11tsto.tes and because T = 2 2

Page No Dale : kence the passible Tean Syrmbds r psysto Fatum TSFI 2 p J Part rthis dus the Groind dorle tepas 2 Jyalue laken hiahet value hecs eleahraniccondisukation is moe han half fled f ele. Conigut atin is dess half fhed then towert Nalue Twi be used om Teatitto Because than half fille d Values hence the ground tate lermiymbet for E atom hasing psyteden is ALthough Thas possible values tra L+S- nd for ps sdeng S= and 7 3 Yossiple 2 2 2 2 e ০A Nq4९s Cast Tealtd Tetal S&L (2L+) LS htnce frorm f9s) Jvatt alues that ge tuo B in ouf ase ideatify tbe total an d

Page No Date The grouad date lern Syabet tan he idendidy om leps telect the hishest spin meltip-licity (2st) 1shich hasing desctibe the atbmic dnd tate en basis of the fetlowing Values पसतेदे (2St) is same fny sysperg Then if Hheen select 1he highest T Values his desctbes the atamic raund date team Hence for p em the atemic gemd Shate lekm, Spmb for halagen atams ic AH hato gens haret Sane cantisusationike fha the cadudalien is Same halogens dike , and I cadam hasing rund tade e lymbat fr othe hence Batam hasingand tate temlymbe and T atom havins gmund sae tetm spoalal