Les 38 éléments sans nuclide stable



  43 – Technétium (Tc)
  61 – Prométhium (Pm) 
 83 – Bismuth (Bi)
  84 – Polonium (Po) 
  85 – Astate (At) 
 86 – Radon (Rn) 
  87 – Francium (Fr   88 –Radium (Ra)
  89 – Actinium (Ac)  
  90 – Thorium (Th)   91 – Protactinium (Pa)
  92 – Uranium (U) 
  93 – Neptunium (Np)
 94 – Plutonium (Pu)  95 – Américium (Am)   96 – Curium (Cm)   97 – Berkelium (Bk)
  98 – Californium (Cf)
 99 - Einsteinium (Es) 100 – Fermium (Fm) 101- Mendelevium (Md) 102 – Nobelium (No) 103 – Lawrencium  (Lr)
104 – Rutherfordium (Rf)
105 – Dubnium (Db)
106 – Seaborgium (Sg) 107 – Bohrium (Bh) 108 – Hassium (Hs) 109 – Meitnerium (Mt) 110 – Darmstadtium (Ds)
111 – Roentgenium (Rg) 112 – Copernicium (Cn) 113 – Nihonium (Nh)
114 – Flérovium (Fl) 115 – Moscovium (Mc) 116 – Livermorium (Lv)
117 – Tennesse (Ts) 118 – Oganesson (Og)



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