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Nobelium
(No)
2818323282
No
Category
Actinoid
Series
actinide
Relative atomic mass
259.1009
Density
13.51
Melting point (°C)
1342
Boiling point (°C)
3100
Electronegativity (Pauling)
1.28
Half-life
58 min
Discovery year
1949
Discovered by
Glenn T. Seaborg
Electrons: 102
Protons: 102
Neutrons: 157

Wikipedia

Wikipedia
Decay chain
  1. No-259(58 min)
    α decay
  2. Fm-255(20.1 h)
    α decay
  3. Cf-251(900 y)
    α decay
  4. Cm-247(1.56×10⁷ y)
    α decay
  5. Pu-243(4.96 h)
    β⁻ decay
  6. Am-243(7370 y)
    α decay
  7. Pb-207(stable)stable
created by @lukaswyss
Nobelium (No) – Element 102