Exam 1 Fall 2009 Solved

Exam 1 Fall 2009 Solved - MEEN 222 Section 501 Fall 2009...

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MEEN 222 Section 501 Fall 2009 Exam I October 14, 2009 Print Name: _____SOLUTION___________________________________________ GENERAL INSTRUCTIONS: A. Exam time: 50 min B. Read carefully each question C. Numerical problems without clearly indicated procedure will be considered incomplete! D. Sign Aggie honor statement. (100 points + 10 extra points) Aggie Honor Code: “On my honor, as an Aggie, I have neither given or received unauthorized aid on this academic work” Signature: ____________________________________________________
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_________ out of 100 + 10 extra points Part A. Fill the blanks or circle correct answer. A1 (2) (2) (2) (2) (2) (2) Please indicate whether the following statements are TRUE or FALSE. - Materials with metallic bonding owe their very strong directional bonds to the sharing of electrons among adjacent atoms. TRUE / FALSE - The equilibrium separation between two atoms can be easily found by finding the distance at which the net bonding energy between the two atoms goes to zero. TRUE / FALSE - The elements situated on the right-hand side of the periodic table of elements are electronegative; that is, they readily accept electrons. TRUE / FALSE - Binary isomorphous systems are those that have incomplete solid solubility of two the components. TRUE / FALSE - Using wave mechanics, every electron in an atom is characterized by five parameters called quantum numbers. TRUE / FALSE - The metallic ions, or cations are positively charged because they have given their valence electrons to the nonmetallic ions, or anions, which are negatively charged.
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Exam 1 Fall 2009 Solved - MEEN 222 Section 501 Fall 2009...

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