13. Determine the ground state free-ion term symbol \( (^{2S+1}L_J) \) 跟\( Cr^{2+} \) (A)⁵D₀(B)²D₅(C)¹S₀(D)⁴F₃(E)⁵D₄

1. Which breakthrough was awarded the Nobel Prize in Chemistry in 2023?(A)Development of ultra-high-resolution electron microscopy for biological systems(B)Discovery and synthesis of quantum dots(C)Discovery of a new class of antibiotics targeting antibiotic-resistant bacteria(D)Advancements in computational chemistry for drug discovery(E)Creation of sustainable and efficient hydrogen production methods

13. Determine the ground state free-ion term symbol \( (^{2S+1}L_J) \) 跟\( Cr^{2+} \)
(A)⁵D₀
(B)²D₅
(C)¹S₀
(D)⁴F₃

(E)⁵D₄

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