gas
you need me to live
oxygen
I am a part of a pencil
lead
my symbol is Al
aluminium
my atomic number is 6
carbon
my atomic mass is 65.39
zinc
I am bright
neon
I am a type of can
tin
my symbol is xe
xenon
my atomic number is 5
boron
my atomic mass is 63.546
copper
I blow up a balloon
helium
i am a type of armor
iron
my symbol is cl
chlorine
my atomic number is 1
hydrogen
my atomic mass is 107.87
silver
I am supper mans weakness
krypton
I am a type of coin
nickel
my symbol is v
vanadium
my atomic number is 80
mercury
my atomic mass is 195.08
platinum
it can kill you
radon
I am very rare
gold
my symbol is y
yttrium
my atomic number is 24
chromium
my atomic mass is 101.07
ruthenium