2. A contour plot of an atomic orbital is shown to the right. What is the name of this orbital? (A) $2p_x$ (B) $2p_y$ (C) $3p_x$ (D) $3p_y$ (E) $3d_{xy}$

7. In an electrolysis cell, a constant current of 1.90 A is passed through an aqueous $CuCl_2$ solution for 15.0 min. At the end of the experiment, 0.468 g of Cu(s) is obtained as the target reduction product. What fraction of the electrons passed through the circuit was successfully used to produce Cu(s)? (A) 20.8% (B) 41.6% (C) 62.4% (D) 83.1% (E) 100%

2. A contour plot of an atomic orbital is shown to the right. What is the name of this orbital?
(A) $2p_x$
(B) $2p_y$
(C) $3p_x$
(D) $3p_y$
(E) $3d_{xy}$

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