Which of the following elements have a ground-state electron configuration that

Question

Which of the following elements have a ground-state electron configuration that can be described by a 2P term? a. Li b. Be c. B d. C e. N 2) Of the following listed methods, what is the only way a hydrogen atom can found in a 2s excited state? a. Absorption of a photon from the ground state b. Emission of a photon from an excited 3s excited state c. Absorption of a photon from a 2p excited state d. Emission of a photon from 3d excited state e. Emission of a photon from a 4p excited state 3) What type of molecular orbital describes the overlap of two p_x orbitals i homonuclear diatomic? a. sigmau b. sigmag C. pig d. piu 4) For molecular fluorine, what type of orbital is the LUMO? a. sigmau b. sigmag c. pig d. piu

Explanation / Answer

1) c

2) a

3) b

4) c

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