State the pauli exclusion principle. choose one: a. no two electrons in an atom can have the same set of four quantum numbers. b. each electron goes into the lowest-energy orbital available. c. an attraction between two electrons occurs due to vibrations in the crystal lattice. d. the lowest-energy electron configuration of an atom has the maximum number of unpaired electrons, all of which have the same spin, in degenerate orbitals. e. electrons orbiting and protons within the nucleus of the atom have a balanced charge, excluding attraction to charged species. f. we cannot determine both the position and the momentum of an electron in an atom at the same time.

A. No two electrons in an atom can have the same set of four quantum numbers.

Explanation:

State the Pauli exclusion principle.

A. No two electrons in an atom can have the same set of four quantum numbers. Electrons are characterized by 4 quantum numbers. According to Pauli exclusion principle, there cannot be 2 electrons having the same 4 quantum numbers.

B. Each electron goes into the lowest-energy orbital available. This is known as Aufbau principle.

C. An attraction between two electrons occurs due to vibrations in the crystal lattice. This is true but it does not correspond to Pauli principle.

D. The lowest-energy electron configuration of an atom has the maximum number of unpaired electrons, all of which have the same spin, in degenerate orbitals. This is known as Hund's rule of maximum multiplicity.

E. Electrons orbiting and protons within the nucleus of the atom have a balanced charge, excluding attraction to charged species. The difference between the number of electrons and protons leads to the charge of the species.

F. We cannot determine both the position and the momentum of an electron in an atom at the same time. This is known as Heisenberg uncertainty principle.

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