Physical Information

Atomic Number: 105

Relative Atomic Mass: 262.11

Melting Point (K): N/A

Boiling Point (K): N/A

Density/kg m^-3: 29,000

Ground State Electron Configuration: [Rn] 5f¹⁴ 6d⁷ 7s²

Standard State: presumably a solid at 298 K 

The color of Dubnium is unknown because there has never been a observable amount of the element made, but its assumed to be a silvery metallic color.