Question
The color of this pigment is due to an unusual crystal structure featuring manganese(III) (“three”) with trigonal bipyramidal coordination, and it has also seen use because of its high reflectance in the near-infrared. For 10 points each:
[10h] Name this synthetic blue pigment discovered in 2009, the first blue pigment found in 200 years. It is named for the three metals that it contains.
ANSWER: YInMn (yin-min) Blue [or Oregon Blue; or Mas Blue] (YInMn Blue is made of yttrium, indium, and manganese, as well as oxygen.)
[10m] The color of Egyptian blue, the oldest synthetic pigment, is due to the presence of this transition metal that is also responsible for the color of turquoise. Its hydrated sulfate is also intensely blue.
ANSWER: copper [or Cu]
[10e] This other transition metal forms a namesake blue pigment that is often used for ceramic glaze and to make glass that can filter out yellow light because of its strong dark blue color.
ANSWER: cobalt [or Co]
<Gerhardt Hinkle , Science - Chemistry - Mixed/Any>
Summary
| 2023 NASAT | 06/17/2023 | Y | 9 | 15.56 | 89% | 67% | 0% |
Data
| Asia B | Arkansas | 0 | 10 | 10 | 20 |
| Illinois Blue | California | 0 | 10 | 10 | 20 |
| Illinois White | Asia A | 0 | 10 | 10 | 20 |
| Ohio | Kentucky A | 0 | 0 | 10 | 10 |
| New Jersey B | Maryland Gold | 0 | 0 | 10 | 10 |
| Maryland Red | Missouri A | 0 | 0 | 10 | 10 |
| Virginia | Missouri B | 0 | 10 | 10 | 20 |
| New Jersey A | Illinois Orange | 0 | 10 | 10 | 20 |
| Pennyslvania | Kentucky B | 0 | 10 | 0 | 10 |