Category:Elements: Difference between revisions

Latest revision as of 16:32, 4 August 2014

Mendeleev's 1869 periodic table

Chemical elements including carbon, hydrogen and roentgenium

Carbon - a chemical element with the symbol C and the atomic number 6. Essential building block for life
Cobalt
Hydrogen - A chemical element with the symbol H and the atomic number of 6. It constitutes 75% of the known mass of the universe

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

The following 14 pages are in this category, out of 14 total.

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 *'''[[:Category:Carbon|Carbon]]''' - a chemical element with the symbol C and the atomic number 6. Essential building block for life
-*'''[[:Category:Darmstadtium|Darmstadtium]]''' - a chemical element with the symbol Ds and the atomic number 110. A synthetic super-heavy atom
+*'''[[:Category:Cobalt|Cobalt]]'''
-*'''[[:Category:Hydrogen|Hydrogen]]''' - a chemical element with the symbol H and the atomic number of 6. It constitutes 75% of the known mass of the universe
+*'''[[:Category:Hydrogen|Hydrogen]]''' - A chemical element with the symbol H and the atomic number of 6. It constitutes 75% of the known mass of the universe
-*'''[[:Category:Roentgenium|Roentgenium]]''' - a synthetic radioactive chemical element with the symbol Rg and the atomic number 111. First observed in 1994.
-[[Category:Engineered_materials_&_dielectrics|{{PAGENAME}}]]
+[[Category:Materials|{{PAGENAME}}]]