What is the chemical symbol for the element silver?
Water is made up of oxygen and which other chemical element?
Which chemical element has the symbol Ni?
Coal is composed primarily of which chemical element?
What is the first element in the periodic table?
What radioactive element was discovered by Pierre and Marie Curie?
Hg is the symbol for which chemical element?
What metallic element appears in the title of a play by Tennessee Williams?
Iron | Lead | Copper | Tin
