MLE1010 Tutorial 1 AY 2020_1.pdf - MLE1010 Tutorial 1...

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MLE1010 Tutorial 1 2020/2021 SEM I. Problem 1 Write down the electron configurations in the following elements: Zn (30), Sn (50), Ra (88), and Pu (94), where the numbers in the parentheses refer to the atomic numbers of the elements. Problem 2 (exercise) The three elements Cu (29), Ag (47), and Au (79) are in the ninth column of the transition metals. Determine the electron configurations of the elements. Problem 3 Write down the notations for the directions shown in the figure below. (a) (b) (c) [100] [010] [001] [100] [010] [001] [100] [010] [001] 1/2 1/2 A A B A B B A Problem 4 Determine the number of directions in the following families of directions in the cubic lattice. (a) h 023 i (b) h 223 i (c) h 111

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