Which of the following electron configurations correspond toan excited state? Id

Question

Which of the following electron configurations correspond toan excited state? Identify the atoms and write the ground-stateelectron configuration where appropriate. a. 1s22s23p1 b. 1s22s22p6 c.1s22s22p43s1 d. [Ar]4s23d54p1 How many unpaired electrons are present in each of thesespecies? Which of the following electron configurations correspond toan excited state? Identify the atoms and write the ground-stateelectron configuration where appropriate. a. 1s22s23p1 b. 1s22s22p6 c.1s22s22p43s1 d. [Ar]4s23d54p1 How many unpaired electrons are present in each of thesespecies? How many unpaired electrons are present in each of thesespecies?

Explanation / Answer

a) Boron [He]2s22p1 5 unpaired electrons b) Neon [He]2s22p6 Noble Gas (0 unpaired electrons) c) is the 2p^4 a typo? if it's supposed to be six then: Sodium[Ne]3s1 1 unpaired electron d) Iron [Ar]4s23d6 4 unpaired electrons

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