Show:
periodic table
periodic table
periodic tabe
periodic table
periodic table
100
li
What is lithum
100
he
What is helium
100
O
What is oxygen
100
rn
radium
100
f
What is fluorine
200
k
What is potassium
200
Au
What is gold
200
la
What is lanthanum
200
cs
What is caesium
200
ar
What is argon
300
na
What is sodium
300
nb
What is niobium
300
P
What is phosphorus
300
zn
What is zinc
300
kr
What is krypton
400
hydrogen
What is h
400
nd
What is neodymium
400
hg
What is mercury
400
cu
What is copper
400
pb
What is lead
500
ne
What is neon
500
ac
What is actinide
500
po
What is polonium
500
n
What is nitrogen
500
fr
What is francium