Which among the following biomaterials a. ceramics would be the best suited for atrial pacemakers 7 b. metals c polymers d. any of the above

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

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.

How might this scientific phenomena be explained? a paper clip floats on water.