6. An atom of vanadium has ___ unpaired electrons and is _____. (A) 0, diamagnetic (B) 2, diamagnetic (C) 3, paramagnetic (D) 5, paramagnetic (E) 4, diamagnetic

15. Which of the following statements relating to molecular orbital (MO) theory is incorrect? (A) Combination of two atomic orbitals produces one bonding and one antibonding MO. (B) A bonding MO is lower in energy than the two atomic orbitals from which it is formed. (C) Combination of two 2p orbitals may result in either σ or π MOs. (D) A species with a bond order of zero will not be stable. (E) In a stable molecule having an even number of electrons, all electrons must be paired. 第 1 頁，共 3 頁

6. An atom of vanadium has _ unpaired electrons and is ___.
(A) 0, diamagnetic
(B) 2, diamagnetic
(C) 3, paramagnetic
(D) 5, paramagnetic
(E) 4, diamagnetic

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相關試卷

6. An atom of vanadium has ___ unpaired electrons and is _____.(A) 0, diamagnetic(B) 2, diamagnetic(C) 3, paramagnetic(D) 5, paramagnetic(E) 4, diamagnetic

相關試題

相關試卷

6. An atom of vanadium has _ unpaired electrons and is ___.
(A) 0, diamagnetic
(B) 2, diamagnetic
(C) 3, paramagnetic
(D) 5, paramagnetic
(E) 4, diamagnetic