It is a substance of moderate toxicity.
yes it is poisonous
yes, it is
Einsteinium is extremely radioactive and dangerous.
Poisonous, ignitable, or cancer causing waste is called hazardous waste. Other properties of hazardous wastes are that they may be corrosive or reactive.
If consumed rubidium may be poisonous, but other wise it isn't.
Not all hazardous wastes are carcinogenic. All are however toxic to people, animals, and/or plant life. Anything labeled hazardous will need to be handeled properly.
No. But breathing pure xenon will block oxygen and cause asphyxiation.
scandium scandium
Scandium is a very rare and expensive element. Scandium, scandium alloys and scandium compounds has important applications in science and technology.
Scandium is, itself, an element and so there are no elements of scandium.
Scandium chloride (or scandium trichloride), ScCl3
For example scandium trichloride and scandium trifluoride are white.