1. atomic number 101 a radioactive transuranic element synthesized by bombarding einsteinium with alpha particles (Md is the current symbol for mendelevium but Mv was formerly the symbol)
  2. atomic number 100 a radioactive transuranic metallic element produced by bombarding plutonium with neutrons
  3. atomic number 102 a radioactive transuranic element synthesized by bombarding curium with carbon ions; 7 isotopes are known
  4. atomic number 103 a radioactive transuranic element synthesized from californium
  5. atomic number 104 a radioactive transuranic element which has been synthesized
  6. atomic number 105 a transuranic element
  7. atomic number 106 a transuranic element
  8. atomic number 107 a transuranic element
  9. atomic number 108 a radioactive transuranic element
  10. atomic number 109 a radioactive transuranic element
  11. atomic number 110 a radioactive transuranic element
  12. atomic number 111 a radioactive transuranic element
  13. atomic number 10 a colorless odorless gaseous element that give a red glow in a vacuum tube; one of the six inert gasses; occurs in the air in small amounts
  14. atomic number 11 a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt)
  15. atomic number 112 a radioactive transuranic element
  16. atomic number 113 a radioactive transuranic element
  17. atomic number 114 a radioactive transuranic element
  18. atomic number 115 a radioactive transuranic element
  19. atomic number 116 a radioactive transuranic element
  20. atomic number 12 a light silver-white ductile bivalent metallic element

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