What is the most important source of energy that our body craves more than any other?

Argon, neon, and xenon are examples of

Wave functions describe orbitals in a hydrogen atom. each function is characterized by 3 quantum numbers: n, l, and ml. if the value of n = 2: the quantum number l can have values from to . the total number of orbitals possible at the n = 2 energy level is .

What happens when a rubber rod is rubbed with a piece of fur?