What has to happen within the nucleus in order for an atom of polominium-211 to decay?

Blank allows you to do calculations for situations in which only the amount of gas is constant a)boyle's law b)combined gas law c)ideal gas law d)dalton's law

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.

Need , hurry pls create a superhero out of the element iron, what are its powers and his sidekick ( an element that works well with iron). how was the superhero made and who discovered him