Periodic Isotope Table of the Elements
Copyright 1983, 1993,1997,2001 By Gerald E. Mowery
No claim made on government information
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4TH ENERGY LEVEL        
Progression
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127*128*129*139*131*132
^^133^^134*135*136*137*138*139*140*141*142*** Cesium **132.90500
128*129*130*131*132*133^^134^^.135*136*137*138*139*149*141*142*143*   
129*
130*131*132*133*134^^135^^136*137*138*138*140*141*142*143*144** Barium **137.3400 130*131*132*133*134*135^^136^^.137*138*139*140*141*142*143*144*145*
131*132*133*134*135*136^^
137^^138*139*140*141*142*143*144*145*146** Lanthanum **138.9100
132*133*134*135*136*137^^138^^.139*140*141*142*143*144*145*146*147*
133*134*135*136*137*138^^139^^140*141*142*143*144*145*146*147*148** Cerium **140.120
134*135*136*137*138*139^^140^^141*142*143*144*145*146*147*148*149*
135*136*137*138*139*140^^141^^142*143*144*145*146*147*148*149*150*Praseodymium 140.90764
136*137*138*139*140*141^^142^^.143*144*145*146*147*148*149*150*151*
137*138*139*140*141*
142^^143^^144*145*146*147*148*149*150*151*152* Neodymium **144.24000
138*139*140*141*142*143^^144^^.145*146*147*148*149*150*151*152*153*
139*140*141*142*143*144^^145^^146*147*148*149*150*151*152*153*154* Promethium *140.90373
140*141*142*143*144*145^^146^^.147*148*149*150*151*152*153*154*155*
141*142*143*144 145*146^^147^^148*149*150*151*152*153*154*155*156*     \
142*143*144*145*146*147^^148^^.149*150*151*152*153*154*155*156*157* Samarium **150.35000
143*144*145*146*147*148
^^149^^150*151*152*153*154*155*156*157*158*      /
144*145*146*147*148*149^^150^^.151*152*153*154*155*156*157*158*159*
145*146*147*148*149*150
^^151^^152*153*154*155*156*157*158*159*160*
146*147*148*149*150*151^^152^^.153*154*155*156*157*158*159*160*161** Europium *151.96000
147*148*149*150*151*152^^153^^154*155*156*157*158*159*160*161*162*
148*149*150*151*152*153^^154^^.155*156*157*158*159*160(161*162*163*
149*150*151*
152*153*154^^155^^156*157*158*159*160*161*162*163*164*
150*151*152*153*154*155^^156^^.157*158*159*160*161*162*163*164*165*** Gadolinium **157.250
151*152*153*154*155*156
^^157^^158*159*160*161*162*163*164*165*166*
152*153*154*155*156*157^^158^^.159*160*161*162*163*164*165*166*167*
153*154*155*156*157*158
^^159^^160*161*162*163*164*165*166*167*168** Terbium **158.9247273
154*155*156*157*158*159^^160^^.161*162*163*164*165*166*167*168*169*
155*156*157*158*158*160^^161^^162*163*164*165*166*167*168*169*170*
156*157*158*159*160*161^^162^^.163*164*165*166*167*168*169*170*171*** Dyprosium *162.500
157*158*159*160*161*162^^
163^^164*165*166*167*168*169*170*171*172*
158*159*160*161*162*163^^164^^.165*166*167*168*169*170*171*172*173*
159*160*161*162*163*164^^165^^166*167*168*169*170*171*172*173*174*** Holmium **164.9300
160*161*162*163*164*165^^166^^.167*168*169*170*171*172*173*174*175*
161*
162*163*164*165*166^^167^^168*169*170*171*172*173*174*175*176*** Erbium **167.2500
162*163*164*165*166*167^^168^^.169*170*171*172*173*174*175*176*177*
163*164*165*166*167*168^^169^^170*171*172*173*174*175*176*177*178** Thulium **168.934
164*165*166*167*168*169^^170^^.171*172*173*174*175*176*177*178*179*
165*166*167*168*169
*170^^171^^172*173*174*175*176*177*178*179*180** Duplium **170.93400
166*167*168*169*170*171^^172^^.173*174*175*176*177*178*179*180*181*
167*168*169*170*171*172^^
173^^174*175*176*177*178*179*180*181*182** Disine **172.934
168*169*170*171*172*173^^174*.175*176*177*178*179*180*181*182*183*
DECAY
Eight ....175 Less 8 = 167 161*162*163*164*165*166^^167^^168*169*170*171*172*173*174*175*176** Newon *169.371927
162*163*164*165*166*167^^168^^.169*170*171*172*173*174*175*176*177*
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