How far into the periodic table could you get? Would you be breaking any laws? At what point would your periodic table start ...
The star is the most chemically pristine star ever seen, with barely any heavy elements.
What's behind the odd magnetic fields observed around ice giants? Why, quasi-1D superionic hydrogen, of course.
On the far right side of the periodic table, just beneath oxygen, sits a lesser-known group of elements called the chalcogens ...