What information in the msds would be most important to know at the end of an experiment?

An electrons position cannot be known precisely only it's probability of being in a certain location can be known

Start an single atom tab. observe the decay of polonium-211. after each decay, press the reset nucleus button to watch the process again. write a description of alpha decay for po-211

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?