Periodic table
What is the symbol for the element with atomic number 1?
H
Which element has the atomic number 8?
O
What is the symbol for the element with atomic number 11?
Na
Which element has the atomic number 29?
Cu
What is the symbol for the element with atomic number 53?
I
Which element has the atomic number 74?
W
What is the symbol for the element with atomic number 82?
Pb
Which element has the atomic number 94?
Pu
What is the symbol for the element with atomic number 109?
Mt
Which element has the atomic number 118?
Og