Periodic Table/Tantalum/¹⁸⁷Ta

← 186Ta188Ta →

¹⁸⁷Ta

Tantalum-187

Radioactive· Half-life: 2.30 min

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

73

Neutrons (N)

114

Mass Number (A)

187

Atomic Mass

186.960391AMU

Spin / Parity

7/2+

Binding E/A

7.764keV

Natural Abundance

Trace / None

Half-life

2.30 min

Decay Modesoverview · half-life · α · β⁻ · β⁺

β⁻

100.0%

Decay Chain

¹⁸⁷TaTantalum2.30 min

β⁻100.0%

¹⁸⁷WTungsten23.8 h

β⁻100.0%

¹⁸⁷ReRhenium41.6 Gy

β⁻100.0%

α¹⁸³Ta0.00%

¹⁸⁷OsOsmiumSTABLE

4-step decay chain → stable · Primary path shown · branching ratios indicated

Other Isotopes of Tantalum

155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194

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