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What Is the Formula of the Superconductor Whose Unit Cell

Question 70

Multiple Choice

What is the formula of the superconductor whose unit cell is shown below? (The Y and Ba atoms are in the middle of the cell.) What is the formula of the superconductor whose unit cell is shown below? (The Y and Ba atoms are in the middle of the cell.) A) YBa<sub>2</sub>Cu<sub>3</sub>O<sub>9 </sub> B) YBa<sub>2</sub>Cu<sub>4</sub>O<sub>5 </sub> C) YBa<sub>2</sub>Cu<sub>2</sub>O<sub>7 </sub> D) YBa<sub>2</sub>Cu<sub>4</sub>O<sub>7 </sub> E) YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7 </sub>


A) YBa2Cu3O9
B) YBa2Cu4O5
C) YBa2Cu2O7
D) YBa2Cu4O7
E) YBa2Cu3O7

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