Yes, Dubnium is harmful because it is radioactive. Dubnium is used for nuclear bombs and weapons.
Dubnium
Dubnium has no odor.
Dubnium is not flammable.
Dubnium does not have a color.
Dubnium has no uses.
Dubnium hasn't uses.
Dubnium hasn't odor.
The color of dubnium is not known.
Dubnium is an artificial chemical element containing only atoms of dubnium; dubnium is prepared via nuclear reactions.
The chemical symbol of dubnium is Db.
The atomic number of dubnium is 105.
Dubnium has 105 electrons.