Hypothesis: If a fixed amount of gas is heated,
then the volume will
because
the heat will cause the molecules of gas to move
DONE

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

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles