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General chemistry
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General chemistry
neptunium
Chemistry; General chemistry
A chemical element with the symbol Np and atomic number 93. A radioactive metal, neptunium is the first transuranic element and belongs to the actinide series.
plutonium
Chemistry; General chemistry
A transuranic radioactive chemical element with the chemical symbol Pu and atomic number 94. It is an actinide metal of silvery-white appearance that tarnishes when exposed to air, forming a dull ...
americium
Chemistry; General chemistry
A synthetic element that has the symbol Am and atomic number 95. This transuranic element of the actinide series is located in the periodic table below the lanthanide element europium.
curium
Chemistry; General chemistry
A synthetic chemical element with the symbol Cm and atomic number 96. This radioactive transuranic element of the actinide series was named after Marie Skłodowska-Curie and her husband Pierre Curie. ...
einsteinium
Chemistry; General chemistry
A synthetic element with the symbol Es and atomic number 99. It is the seventh transuranic element, and an actinide.
fermium
Chemistry; General chemistry
A synthetic element with the symbol Fm. It is the 100th element in the periodic table and a member of the actinide series.
mendelevium
Chemistry; General chemistry
A synthetic element with the symbol Md (formerly Mv) and the atomic number 101. A metallic radioactive transuranic element in the actinide series, mendelevium is usually synthesized by bombarding ...