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Isotopes of Technetium (Z=43)
Click on an isotope to get more information about its decay
Isotope	Half-life	Spin Parity	Decay Mode(s) or Abundance
⁸⁵Tc
⁸⁶Tc
⁸⁷Tc		(9/2+)
⁸⁸Tc	6.4 s	(6,7,8)	%EC+%B+=100
^88m1Tc	5.8 s	(2,3)	%EC+%B+=100
⁸⁹Tc	12.8 s	(9/2+)	%EC+%B+=100
^89m1Tc	12.9 s	(1/2-)	%EC+%B+=100
⁹⁰Tc	49.2 s	(8+)	%EC+%B+=100
^90m1Tc	8.7 s	1+	%EC+%B+=100
⁹¹Tc	3.14 m	(9/2)+	%EC+%B+=100
^91m1Tc	3.3 m	(1/2)-	%EC+%B+=100, %IT<1
⁹²Tc	4.23 m	(8)+	%EC+%B+=100
⁹³Tc	2.75 h	9/2+	%EC+%B+=100
^93m1Tc	43.5 m	1/2-	%IT=76.6 11, %EC+%B+=23.4 11
⁹⁴Tc	293 m	7+	%EC+%B+=100
^94m1Tc	52.0 m	(2)+	%EC+%B+=100, %IT<0.1
⁹⁵Tc	20.0 h	9/2+	%EC+%B+=100
^95m1Tc	61 d	1/2-	%EC+%B+=96.12 32, %IT=3.88 32
⁹⁶Tc	4.28 d	7+	%EC+%B+=100
^96m1Tc	51.5 m	4+	%IT=98.0 5 , %EC+%B+=2.0 5
⁹⁷Tc	2.6e6 y	9/2+	%EC=100
^97m1Tc	90.1 d	1/2-	%IT=100, %EC<0.34
⁹⁸Tc	4.2e+6 y	(6)+	%B-=100
⁹⁹Tc	2.111e+5 y	9/2+	%B-=100
^99m1Tc	6.01 h	1/2-	%IT=99.9963 6, %B-=0.0037 6
¹⁰⁰Tc	15.8 s	1+	%B-=99.9982 9, %EC=0.0018 9
¹⁰¹Tc	14.22 m	9/2+	%B-=100
¹⁰²Tc	5.28 s	1+	%B-=100
^102m1Tc	4.35 m	(4,5)	%B-=98 2, %IT=2 2
¹⁰³Tc	54.2 s	5/2+	%B-=100
¹⁰⁴Tc	18.3 m	(3+)	%B-=100
¹⁰⁵Tc	7.6 m	(3/2-)	%B-=100
¹⁰⁶Tc	35.6 s	(1,2)	%B-=100
¹⁰⁷Tc	21.2 s		%B-=100
¹⁰⁸Tc	5.17 s	(2)+	%B-=100
¹⁰⁹Tc	0.87 s		%B-=100, %B-N=0.08 2
¹¹⁰Tc	0.92 s	(1+,2+)	%B-=100
¹¹¹Tc	0.30 s		%B-=100
¹¹²Tc	0.28 s		%B-=100
¹¹³Tc	130 ms		%B-=100
¹¹⁴Tc
¹¹⁵Tc
¹¹⁶Tc			%B-=?
¹¹⁷Tc		(5/2+)	%B-=?

Isotopes of Technetium (Z=43)