Potassium, K. I have a fondness for it since my friend taught me how he remembers its flame test colour (lilac, is apparently a slightly gay colour, therefore potassium is gay. His way not mine but it does stick in my brain)
And helium, because supercooled to a liquid it can FLOW UPHILL. And has no friction.
Chemistryyyyyyy
And helium, because supercooled to a liquid it can FLOW UPHILL. And has no friction.
Chemistryyyyyyy