It's Elemental - Isotopes of the Element Technetium

Isotopes of the Element Technetium
[Click for Main Data]

Most of the isotope data on this site has been obtained from the National Nuclear Data Center. Please visit their site for more information.

All Known Isotopes of the Element Technetium

Mass Number	Half-life	Decay Mode	Branching Percentage

85	≈ 0.5 seconds	Electron Capture	No Data Available

86	54 milliseconds	Electron Capture	No Data Available

86_m	1.11 microseconds	Isomeric Transition	100.00

87	2.2 seconds	Electron Capture	100.00

88	5.8 seconds	Electron Capture	100.00

88_m	6.4 seconds	Electron Capture	100.00

89	12.8 seconds	Electron Capture	100.00

89_m	12.9 seconds	Electron Capture	100.00

90	8.7 seconds	Electron Capture	100.00

90_m	49.2 seconds	Electron Capture	100.00

91	3.14 minutes	Electron Capture	100.00

91_m	3.3 minutes	Electron Capture	100.00

		Isomeric Transition	< 1.00

92	4.25 minutes	Electron Capture	100.00

93	2.75 hours	Electron Capture	100.00

93_m	43.5 minutes	Isomeric Transition	76.60

		Electron Capture	23.40

93_m2	10.2 microseconds	Isomeric Transition	100.00

94	293 minutes	Electron Capture	100.00

94_m	52.0 minutes	Electron Capture	100.00

		Isomeric Transition	< 0.10

95	20.0 hours	Electron Capture	100.00

95_m	61 days	Electron Capture	96.12

		Isomeric Transition	3.88

96	4.28 days	Electron Capture	100.00

96_m	51.5 minutes	Isomeric Transition	98.00

		Electron Capture	2.00

97	2.6×10⁺⁶ years	Electron Capture	100.00

97_m	91.4 days	Isomeric Transition	100.00

		Electron Capture	3.94

98	4.2×10⁺⁶ years	Beta-minus Decay	100.00

99	2.111×10⁺⁵ years	Beta-minus Decay	100.00

99_m	6.015 hours	Isomeric Transition	100.00

		Beta-minus Decay	3.7E-3

100	15.8 seconds	Beta-minus Decay	100.00

		Electron Capture	1.8E-3

101	14.22 minutes	Beta-minus Decay	100.00

102	5.28 seconds	Beta-minus Decay	100.00

102_m	4.35 minutes	Beta-minus Decay	98.00

		Isomeric Transition	2.00

103	54.2 seconds	Beta-minus Decay	100.00

104	18.3 minutes	Beta-minus Decay	100.00

105	7.6 minutes	Beta-minus Decay	100.00

106	35.6 seconds	Beta-minus Decay	100.00

107	21.2 seconds	Beta-minus Decay	100.00

108	5.17 seconds	Beta-minus Decay	100.00

109	0.86 seconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	0.08

110	0.92 seconds	Beta-minus Decay	99.96

		Beta-minus Decay with delayed Neutron Emission	0.04

111	0.30 seconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	0.85

112	0.29 seconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	1.5

113	0.17 seconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	2.1

114	0.15 seconds	Beta-minus Decay with delayed Neutron Emission	1.3

		Beta-minus Decay	No Data Available

115	> 150 nanoseconds	Beta-minus Decay	No Data Available

		Beta-minus Decay with delayed Neutron Emission	No Data Available

116	90 milliseconds	Beta-minus Decay	No Data Available

117	40 milliseconds	Beta-minus Decay	No Data Available

118	> 150 nanoseconds	Beta-minus Decay	No Data Available

Isotopes of the Element Technetium[Click for Main Data]

Isotopes of the Element Technetium
[Click for Main Data]