Professor Z, Corrine and others in “Unfinished Business”

So, Josie has picked mercury - a metal that is liquid at room temperature. It is also easily combustible and in some circumstances -

-highly volitile. Excellent choice, Josie. What element did you choose, Corrine?

Carbon.

Nature's drill bit.

You know, diamonds are made of pure carbon.

Marshall?

Huh?

When the stars exploded and formed all the elements on the periodic table, I don't thing there was one called "huh"? Try again, Marshall.

Okay, I chose - [sticks two protons onto his model]

Helium.

Yeah. It's fun to have at parties. Always a gas.