An electron has the following set of quantum numbers: 3, 2, -1, -½. What is the energy level for this electron?.

i would think it's food chain

which piece of furniture will have the most inertia and give the furniture movers the most difficulty in moving?  

answer

a 75kg dining table

the duration of a photographic flash is related to an rc time constant, which is 0.100 μs for a certain camera.

b. a lightning bug, plug of grass, and a worm