It has the greatest density of the known elements
Else clues• Densest metal
• Densest natural element
• Element #76
• Element in light filaments
• Element that is twice as dense as lead
• Heaviest metal
• Heavy metal
• Heavy metallic element
• It has atomic number 76
• A hard brittle blue-gray or blue-black metallic element that is one of the platinum metals
• The heaviest metal known