CH is the formula of the methylidyne.
There is no element with the symbol "hc." It is possible that the symbols "H" and "C" were combined, which would refer to hydrogen (H) and carbon (C), two separate elements on the periodic table.
Beryllium's chemical symbol is Be.
The chemical symbol for iron is Fe, and the chemical symbol for nickel is Ni.
The symbol for tantalum is Ta.
The chemical symbol for indium is In. It is a soft, silvery-white metal with atomic number 49.
There is no element with the symbol Hc. I have checked several periodic tables and find nothing I could imagine being identified this way.
HC
There is no element with the symbol "hc." It is possible that the symbols "H" and "C" were combined, which would refer to hydrogen (H) and carbon (C), two separate elements on the periodic table.
Beryllium's chemical symbol is Be.
The chemical symbol for iron is Fe, and the chemical symbol for nickel is Ni.
The molybdenum chemical symbol is Mo.
The chemical symbol for calcium is Ca.
The chemical symbol for radium is Ra.
The chemical symbol of radon is Rn.
The symbol for tantalum is Ta.
Ce is the chemical symbol for cerium
The chemical symbol for arsenic is As.