Elements from the d-block.
“Gold is a chemical element with the symbol Au and atomic number 79. It is a transitional metal...Gold
“Iridium is the chemical element with symbol Ir and atomic number 77. It is a transitional group...Iridium
“Mercury (also known as quicksilver) is a chemical element with the symbol Hg (from its latin...Mercury
“Nickel is a transition metal with the symbol Ni and atomic number 28. It is well-known as a...Nickel