Protactinium is a chemical element strongly radioactive and dangerous in any form.
Being very radioactive protactinium is dangerous.
Because protactinium is extremely radoactive.
Protactinium has a metallic appearance.
Protactinium is not corrosive.
Protactinium have no odor.
Protactinium is a metal.
Protactinium is paramagnetic.
Protactinium is a reactive metal; protactinium react with water vapours, acids, oxygen, halogens,etc.
Nothing is made from protactinium.
yes, protactinium is a metal
Protactinium hasn't an odor.
Because the properties (chemical and physical) of protactinium are the general properties of metals.