Chpt 15 extra credit

Ice floats because it has a lower density and higher volume.

There one was a super hero named BerylliMAN, he was strong like steel and can cause deathly illnesses if in hailed . He protects the city of the periodic table. His arche nemesis was tellurium. BerylliMAN takes down his opponents poisoning them with his toxic powder. You can rarely find BerylliMAN on any given day he likes to stay hidden. He had help from his allies,  Aluminum Copper Cobalt andd Nickel, they make each other stronger. BerylliMAN has a very low atomic mass, and density, so it could turn invisible under x-ray lighting. Originally BerylliMAN is very hard and strong it is dark and shinny, but when it comes time to defend his city he steps up and fights. He heavily relies on his allies when it comes to battling.