Periodic Table/Hafnium/¹⁵⁸Hf

← 157Hf159Hf →

¹⁵⁸Hf

Hafnium-158

Radioactive· Half-life: 2.85 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

72

Neutrons (N)

86

Mass Number (A)

158

Atomic Mass

157.954801AMU

Spin / Parity

0+

Binding E/A

7.748keV

Natural Abundance

Trace / None

Half-life

2.85 s

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

β⁺

55.7%

α

44.3%

Decay Chain

¹⁵⁸HfHafnium2.85 s

β⁺55.7%

α¹⁵⁴Yb44.3%

¹⁵⁸LuLutetium10.6 s

β⁺99.1%

α¹⁵⁴Tm0.91%

¹⁵⁸YbYtterbium1.49 min

β⁺100.0%

α¹⁵⁴Er0.00%

¹⁵⁸TmThulium3.98 min

β⁺100.0%

¹⁵⁸ErErbium2.29 h

EC100.0%

¹⁵⁸HoHolmium11.3 min

β⁺100.0%

α¹⁵⁴Tb

¹⁵⁸DyDysprosiumSTABLE

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

Other Isotopes of Hafnium

153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190

← Back to HafniumData: IAEA NDS · ENSDF