The gravitational force between two electrons 1.0 m apart is 5.42 x 10^-71. Find the mass of the electron.

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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 .

How to tell if a molecule is polar or nonpolar with electronegativity