Nobelium

Isotopes

13 radioisotopes of nobelium have been characterized, with the most stable being No-259 with a half-life of 58 minutes, No-255 with a half-life of 3.1 minutes, and No-253 with a half-life of 1.7 minutes. All of the remaining radioactive isotopes have half-lifes that are less than 56 seconds, and all of these have half lifes that are less than 2.4 seconds. This element also has 1 meta state, No-254m (t½ 0.28 seconds).

Related Topics:
Radioisotope - Half-life - Radioactive - Meta state

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The known isotopes of nobelium range in atomic weight from 249.088 u (No-249) to 262.108 u (No-262). The primary decay mode before the most stable isotope, No-259, is alpha emission, and the primary mode after is spontaneous fission. The primary decay products before No-259 are element 100 (fermium) isotopes, and the primary products after are energy and subatomic particles.

Related Topics:
Isotope - Atomic weight - U - Decay mode - Alpha emission - Spontaneous fission - Decay product - Fermium - Energy - Subatomic particle

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