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Materials Science and Engineering Exam With 100% Correct Answers

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Three Types of Bonding - correct answers 1.) Ionic 2.) Colvalent 3.)Metallic Ionic Bonding - correct answers Large Bond Energy Nondirectional (ceramics) Covalent Bonding - correct answers Variable Bond Energy Directional semiconductors, cerramics, polymer chains Metallic Bonding - correct answers Variable Bond Energy Nondirectional (Metals)

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Materials Science and Engineering
Exam With 100% Correct Answers

Three Types of Bonding - correct answers ✔✔1.) Ionic

2.) Colvalent

3.)Metallic



Ionic Bonding - correct answers ✔✔Large Bond Energy



Nondirectional



(ceramics)



Covalent Bonding - correct answers ✔✔Variable Bond Energy



Directional



semiconductors, cerramics, polymer chains



Metallic Bonding - correct answers ✔✔Variable Bond Energy



Nondirectional



(Metals)

, Secondary Bonds - correct answers ✔✔Smallest Bond Energy



Inter-chain (polymer)



Inter-molecular



Bond Energy Dictates - correct answers ✔✔Melting Temp



Electronegativity increases going left or right on the periodic table? - correct answers ✔✔Right



Electron Configuration - correct answers ✔✔Atomic #:

s=2 spots

p=6 spots

d=10 spots



Different kinds of crystal structures of metals - correct answers ✔✔Crystalline material



Single crystal



Polycrystalline material



Crystalline material - correct answers ✔✔atoms self-organize in a periodic array in 3 D



Single crystal - correct answers ✔✔atoms are in a repeating or periodic array over the entire
extent of the material

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