Is a chemical element with the symbol Co and atomic number 27.

Is a chemical element with the symbol Mg and atomic number 12.

Is a chemical element with the symbol I and atomic number 53.

Is a chemical element with the symbol Au (from Latin, aurum) and atomic number 79.

is a chemical element with the symbol Pb and atomic number of 82.

Is a chemical element with the symbol Si and atomic number 14.

Is a chemical element with the symbol Ag and atomic number 47.

Is a chemical element with the symbol Xe and atomic number 54.

Is a chemical element with the symbol Zn and atomic number 30.