The symbol for sulfur is (a)   .

Lead has the symbol (a)   .

Boron has the symbol (a)   .

Cobalt has the symbol (a)   .

Gallium has the symbol (a)   .

The symbol for tin is (a)   .

The symbol for phosphorus is (a)   .

The symbol for manganese is (a)   .

The symbol for germanium is

(a)  

The symbol for gold is (a)   .

The symbol for silicon is (a)   .

The symbol for chromium is (a)   .

The symbol for arsenic is (a)   .

The symbol for magnesium is (a)   .

The symbol for vanadium is (a)   .

The symbol for argon is (a)   .

The symbol for copper is (a)   .

The symbol for magnesium is (a)   .

The symbol for neon is (a)   .

The symbol for nickel is (a)   .

The symbol for aluminum is (a)   .

The symbol for helium is (a)   .

The symbol for iron is (a)   .

The symbol for oxygen is (a)   .

The symbol for iodine is (a)   .

The symbol for calcium is (a)   .

The symbol for nitrogen is (a)   .

The symbol for carbon is (a)   .

The symbol for hydrogen is (a)   .

The symbol for chlorine is (a)   .

The symbol for potassium is (a)   .

The symbol for bromine is (a)   .

The symbol for fluorine is (a)   .

The symbol for silver is (a)   .