Ten Heaviest Elements

These are the 10 heaviest elements - you can also view the 10 lightest elements, the 10 most common elements, and the Perodic Table of Elements.

The ten heaviest elements.

• Osmium - 22.59 grams per cubic cm at 20 degrees centigrade. Discoverd 1804
• Iridium - 22.56 grams per cubic cm at 20 degrees centigrade. Discoverd 1804
• Platinum - 21.45 grams per cubic cm at 20 degrees centigrade. Discoverd 1748
• Rhenium - 21.01 grams per cubic cm at 20 degrees centigrade. Discoverd 1925
• Neptunium - 20.47 grams per cubic cm at 20 degrees centigrade. Discoverd 1940
• Plutonium - 20.26 grams per cubic cm at 20 degrees centigrade. Discoverd 1940
• Gold - 19.29 grams per cubic cm at 20 degrees centigrade. Discoverd dawn of man
• Tungsten - 19.26 grams per cubic cm at 20 degrees centigrade. Discoverd 1783
• Uranium - 19.05 grams per cubic cm at 20 degrees centigrade. Discoverd 1789
• Tantalium - 16.67 grams per cubic cm at 20 degrees centigrade. Discoverd 1802