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Category:Elements

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Mendeleev's 1869 periodic table
Mendeleev's 1869 periodic table

Chemical elements including carbon, hydrogen and roentgenium

Subcategories

  • Carbon - a chemical element with the symbol C and the atomic number 6. Essential building block for life
  • Darmstadtium - a chemical element with the symbol Ds and the atomic number 110. A synthetic super-heavy atom
  • Hydrogen - a chemical element with the symbol H and the atomic number of 6. It constitutes 75% of the known mass of the universe
  • Roentgenium - a synthetic radioactive chemical element with the symbol Rg and the atomic number 111. First observed in 1994.

Subcategories

This category has the following 3 subcategories, out of 3 total.

C

H