Mtl 200 exam - Study guides, Class notes & Summaries

MTL 200 Final Exam Practice Questions and Answers What are ceramics? - ANSWER-Ceramics are elements composed of at least two elements, often more, with complex crystal structures that range from purely ionic to totally covalent. Anisotropy - ANSWER-directionality of properties What influences the crystal structure of ceramics? - ANSWER-The electrical charge of ions and the relative sizes of the anion and cation. Why must a ceramic molecule be neutral? - ANSWER-The net charge across the ca...

MTL 200 Exam Study Guide With Verified Solutions. Crystalline Material - answerAtoms arranged in a repeating pattern over large distances. Lattice - answerThree-dimensional array of points coinciding with atom positions. Unit Cell - answerSmallest repeating unit of a lattice, basic building block. Polymorphism - answerPresence of multiple crystal structures in a chemical compound. Allotropy - answerPresence of multiple crystal structures in a chemical element. Crystallographic Directions ...

MTL 200 Final Exam Questions and answers

MTL 200 Final Exam Questions and answers (1)

MTL 200 FINAL EXAM QUESTIONS AND ANSWERS

MTL 200 Final Exam Questions With Verified Answers What are ceramics? - answerCeramics are elements composed of at least two elements, often more, with complex crystal structures that range from purely ionic to totally covalent. Anisotropy - answerdirectionality of properties What influences the crystal structure of ceramics? - answerThe electrical charge of ions and the relative sizes of the anion and cation. Why must a ceramic molecule be neutral? - answerThe net charge across the catio...

MTL 200 Ryerson Exam Questions With Verified Answers Atomic weight is the weighted average of the atomic masses of an atom's naturally occurring isotopes - answerTrue The smaller the principal quantum number, the higher the energy level. - answerFalse Bonding energy is the energy required to separate two atoms that are chemically bonded to each other. - answerTrue Ionic bonding is bidirectional. - answerFalse How many atoms are in a FCC - answer4 How many atoms are in a BCC - answer2 ...

MTL 200 Chapters 12-17 Exam Study Guide Ceramics - answercomposed of two elements, more complex structures than metals Ceramics bonding - answerpurely ionic to totally covalent Ion sizes and arrangment in ceramics - answersize of anion is much greater than the cation. anions want to touch as many cations as possible (to be most stable) Crystal structure influence - answerelectrical charge of ion (must be 0, neutral) and relative sizes of anion and cation (rc/ra is less than 1) Coordinate ...

MTL 200 TEST 2 Exam Questions With Verified Answers Solubility limit is the minimum concentration of solute that may be added without forming a new phase - answerFalse Solidus line normally represents the boundary between a liquid phase region and a two phase region with the liquid [e.g, the boundary L/ (α+L) - answerFalse Eutectic structure forms prior to the primary phase during cooling - answerFALSE Non equilibrium cooling results in cored structure - answerTRUE Eutectoid reaction is...