Density = about 1.746 g/cm3
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268
Dubnium's mass number is about 262, because it is the atomic mass of the closest stable isotope.
The atomic mass for lawrencium (Lr) is approximately 262.11 atomic mass units.
262 kilometers is approximately equal to 163 miles.
Those are the dimensions. Height, width and length.The volume is 280 cubic inches and the surface area is 262 square inches.