Periodic Table/Tantalum/¹⁹¹Ta

← 190Ta192Ta →

¹⁹¹Ta

Tantalum-191

Radioactive

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

73

Neutrons (N)

118

Mass Number (A)

191

Atomic Mass

190.971530AMU

Spin / Parity

7/2+

Binding E/A

7.716keV

Natural Abundance

Trace / None

Half-life

Unknown

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

β⁻

Decay Chain

¹⁹¹TaTantalum?

β⁻

¹⁹¹WTungsten?

β⁻

¹⁹¹ReRhenium9.80 min

β⁻100.0%

¹⁹¹OsOsmium15.0 d

β⁻100.0%

¹⁹¹IrIridiumSTABLE

5-step decay chain → stable · Primary path shown

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

← Back to TantalumData: IAEA NDS · ENSDF