This question is worth 5 marks, answer all parts. a. Consider Cr 2 O 7 2- . Wh...
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This question is worth 5 marks, answer all parts.
a. Consider Cr2O72-. What is the oxidation state of Cr and how many d electrons are there? (2 marks)
b. How does atomic size change for the 3d series from left-to-right across the period, and why? (3 marks)
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