x. Which of the following sets of ions contain only paramagnetic ions a. Sm3⊕, Ho3⊕, Lu3⊕ b. La3⊕, Ce3⊕, Sm3⊕ c. La3⊕, Eu3⊕, Gd3⊕ d. Ce3⊕, Eu3⊕, Yb3⊕
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- x. Which of the following sets of ions contain only paramagnetic ions a. Sm3⊕, Ho3⊕, Lu3⊕ b. La3⊕, Ce3⊕, Sm3⊕ c. La3⊕, Eu3⊕, Gd3⊕ d. Ce3⊕, Eu3⊕, Yb3⊕