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The Ion $\mathrm { Cr } _ { 2 } \mathrm { O } _ { 7 } ^ { 2 - }$

Question 75

Multiple Choice

The ion $\mathrm { Cr } _ { 2 } \mathrm { O } _ { 7 } ^ { 2 - }$ is called _____.

A) per chromate
B) chromite
C) chromium oxate
D) chromate
E) dichromate

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