| PERIODIC TABLE OF ELEMENTS by PAIRED PERIODIC ABUNDANCE & ISOTOPE PROGRESSION |
| Copyright 1993 by Gerald E. Mowery and G. E. Mowery Publishing No claim made against Government information |
| 15 NITROGEN 015 14.00600 ~~010~~012~~014~~015~~016~~018~~020 ~~~%~~~~~%~~~99.6%~.37%~~~~%~~~~%~~~% |
| 17 OXYGEN 017 15.99980 ~~012~~014~~016~~017~~018~~020~~022 ~~~%~~~%~~~~99.80%~.04%~~.21%~~~~%~~~% |
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| 47 VANADIUM 051 50.94200 ~~046~~048~~050~~051~~052~~054~~056 ~~~%~~~%~~~~~~%~~~.250%~99.8%~~~%~~~~% |
| 49 CHROMIUM 053 51.996 ~~048~~050~~052~~053~~054~~056~~058 ~~~%~~~~4.35%~83.8%~9.50%~2.40%~~%~~~~% |
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| 83 NIOBIUM 093 92.9063727 ~~088~~090~~092~~093~~095~~096~~098 ~~~%~~~%~~~~%~~100.0%~~%~~~~~%~~~~% |
| 85 MOLYBDENUM 97 = 9.55 095 95.940 ~~090~~092~~094~~095~~096~~098~~100 ~~~~~~~14.86%~9.25%~15.9%~16.7%~24.1%~9.6 |
| 119 PRASEODYMIUM 141 140.907648 ~~080~~082~~084~~141~~142~~144~~146 ~~~%~~~~%~~~~~%~~~100%~~~%~~~~~%~~~~% |
| 121 NEODYMIUM 145 = 8.3% 143 144.240 140~~142~~143~~144~~146~~148~150 27.2%~12.2%~23.8%~17.2%~5.7%~5.60% |
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| 155-8 = 147 TANTALUM 189-8 = 181 180.948 ~~176~~178~~180~~181~~182~~184~~186 ~~~%~~~~~%~~~.01%~~99.99%~~%~~~~%~~~~% |
| 157-8 =149 TUNGSTEN 191-8 = 183 183.850 ~~178~~180~~182~~183~~184~~186~~188 ~%~~~~~~ .12%~26.5%~14.3%~30.6%~28.4%~~% |
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| 191 PROTACTINIUM 231 231.035879. ~~226~~228~~230~~231~~232~~234~~236 ~~~%~~~~~%~~~~~%~~100%~~~%~~~~%~~~~% |
| 193 URANIUM 235 = .72 233 <234> ~~228~~230~~232~~233~~234~~236~~238 ~~%~~~~~%~~~%~%~~~t%~~~~%~~~~%~~~~99.3% |
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