I am lustrous and conduct electricity/heat where am I on the periodic table

Bose-einstein condensation occurs at what temperature?

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

Why are people not able to skip a dive to the deepest part of the ocean