common elements
hydrogen is h
helium is he
lithium is li
beryllium is be
boron is b
carbon is c
nitrogen is n
oxygen is o
florine is f
neon is ne
sodium is na
magnesium is mg
aluminium is al
silicon is si
phosphorus is p
sulfur is s
chlorine is cl
argon is ar
potassium is k
calcium is ca
iron is fe
nickel is ni
copper is cu
silver is ag
bromine is br
zinc is zn
mercury is hg
iodine is i
gold is au
lead is pb
hydrogen is h
helium is he
lithium is li
beryllium is be
boron is b
carbon is c
nitrogen is n
oxygen is o
florine is f
neon is ne
sodium is na
magnesium is mg
aluminium is al
silicon is si
phosphorus is p
sulfur is s
chlorine is cl
argon is ar
potassium is k
calcium is ca
iron is fe
nickel is ni
copper is cu
silver is ag
bromine is br
zinc is zn
mercury is hg
iodine is i
gold is au
lead is pb