Exam (elaborations)
OCR A- Level Chemistry Paper 1 2022 Questions with 100% Correct Answers
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Define Transition element Correct Answer A d-block element that can form at least one stable ion with an incomplete d sub-shell Why aren't scandium and Zinc transition elements? Correct Answer Cannot form stable ions with an incomplete d-sub shell. Sc 3+ has an empty d-sub shell and Zn 2+ has a ...
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