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What r ur favoryt movys? There are 4 finalists. In how many different ways can the 3 medals be awarded? Can someone help with a physics question?
what is the maximum ground state for an electron? a) 1 b) 3 c)7 d) infinite amount thanks!? Find the surface area of the sphere with the given dimension. leave your answer in terms of radius of 40? HELP!!
calculate the frequency of the photon emitted when the electron in a hydrogen atom drops from energy level E6 to energy level E3?