1M03 2009 ASSIGNMENT 1-1 ¿¯

1M03 2009 ASSIGNMENT 1-1 ¿¯ - View Results Assignment...

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View Results Read these instructions before you start this assignment: All questions in this and future assignments relate to what we've been learning in class. Use the lecture notes and textbook as references. If you get stuck, remember that the TA's at the Drop-In Centre can help you, as well as your professor's office hours. The hours and location of the Drop-In Centre are given on the " Getting Help " page. Remember that you don't have to do all the questions at the same time. Save your answers as you go. You can leave and log back in later. The answers you saved will still be there. When you're done all the questions, don't forget to use the Finish button. NOTE: all angles should be entered into trig functions in radians. Name: SOO NAM Attempt: 1 / 3 Out of: 15 Started: January 16, 2009 3:51pm Finished: January 17, 2009 11:22pm Time spent: 31 hr, 31 min., 14 sec. Question 1 (1 point) Which of the following are examples of materials having FCC (face-centred cubic) crystal structures at room temperature? Student response: Correct Response Student Response Answer Choices a. magnesium, titanium, zinc b. chromium, iron, tungsten c. gold, aluminum, copper General feedback: See page 34 of the text. Score: 1 / 1 Question 2 (1 point) What is the coordination number of a BCC (body-centred cubic) crystal structure? Student response: Correct Response Student Response Answer Choices a. 6 b. 8 c. 10 d. 12 e. None of the above. General feedback: See page 36 of the text. Score: 1 / 1 Question 3 (1 point) Some metals and non-metals have more than one crystal structure. This is known as ______________, also called allotropy in elemental solids. Student response:
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1M03 2009 ASSIGNMENT 1-1 ¿¯ - View Results Assignment...

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