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Curium
(Cm)
2818322592
Cm
Category
Actinoid
Series
actinide
Relative atomic mass
247.07035
Density
13.51
Melting point (°C)
1342
Boiling point (°C)
3100
Electronegativity (Pauling)
1.28
Half-life
1.56×10⁷ y
Discovery year
1944
Discovered by
Glenn T. Seaborg
Electrons: 96
Protons: 96
Neutrons: 151

Wikipedia

Wikipedia
Decay chain
  1. Cm-247(1.56×10⁷ y)
    α decay
  2. Pu-243(4.96 h)
    β⁻ decay
  3. Am-243(7370 y)
    α decay
  4. Np-239(2.36 d)
    β⁻ decay
  5. Pu-239(24,110 y)
    α decay
  6. U-235(7.04×10⁸ y)
    α decay
  7. Th-231(25.5 h)
    β⁻ decay
  8. Pa-231(32,760 y)
    α decay
  9. Pb-207(stable)stable
created by @lukaswyss
Curium (Cm) – Element 96