Gases
What does H stand for
What is Hydrogen
What is the symbol for Oxygen
O
What does Br stand for
Bromine
What does He stand for
Helium
What is the symbol of Chlorine
Cl
What is the symbol for Mercury
Hg
What does N stand for
Nitrogen
What is the symbol for Fluorine
F
What does F stand for
Fluorine
What is the symbol for Argon
Ar
What does Kr stand for
Krypton
What is the symbol for Radon
Rn