Matse 201 - Study guides, Class notes & Summaries

MATSE 201 MIDTERM EXAM.1. Which is true regarding the crystal systems? A) they completely define a crystal structure B) they describe the shape of the unit cell. C) there are 7 shapes that can completely fill 3D space through translational symmetry D) all of the above. Points Earned: 2.0/2.0 Correct Answer(s): C 2. Which of the following is NOT one of the 7 crystal systems? A) Tetragonal B) Rhombohedral C) Trigonal D) Face centered cubic Points Earned: 2.0/2.0 Correct Answer(s): D

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MIDTERM: MATSE 201 Exam Final Q&A

MATSE 201 MIDTERM EXAM 1. Which is true regarding the crystal systems? A) they completely define a crystal structure B) they describe the shape of the unit cell. C) there are 7 shapes that can completely fill 3D space through translational symmetry D) all of the above. Points Earned: 2.0/2.0 Correct Answer(s): C 2. Which of the following is NOT one of the 7 crystal systems? A) Tetragonal B) Rhombohedral C) Trigonal D) Face centered cubic Points Earned: 2.0/2.0 ...

metalsmost elements exist as metal alloysa homogenous mixture of two or more elements at least one of which is a metal, and where the resulting material has metallic properties intermetallic compoundsimilar to alloy but the mixture exists as a stoichiometric compound (distinct atomic ratios) ceramicsinorganic, non-metallic substances ceramicssolids formed between metallic and nonmetallic elements, most frequently oxides nitrides and carbons

response of materials to heat increase heat capacity; changes in phase lead to absorption of heat, thermal conductivity; failure - thermal shock phonon a quantum of energy resulting from vibrational waves in a solid heat capacity represents the energy required per unit mass to change the temperature of a substance by 1 degree C thermal expansion an increase in temp leads to a greater amplitude of atomic vibrations within a solid; coefficient of thermal expansion alpha thermal condu...

wavelengthseach type of electromagnetic radiation is characterized by a given range of reflected, transmitted, absorbedintensity of incident beam of light is a sum of the light that is ________, _________, and __________ absorption,decrease in velocity of radiationtwo results of electronic polarization are thinonly very thin/thick metal films are transparent to visible light truetrue/false metals are transparent to light of high frequencies .9 and .95reflectivity is when Ir/I0 is between ...

MATSE 201 MIDTERM EXAM.1. Which is true regarding the crystal systems? A) they completely define a crystal structure B) they describe the shape of the unit cell. C) there are 7 shapes that can completely fill 3D space through translational symmetry D) all of the above. Points Earned: 2.0/2.0 Correct Answer(s): C 2. Which of the following is NOT one of the 7 crystal systems? A) Tetragonal B) Rhombohedral C) Trigonal D) Face centered cubic Points Earned: 2.0/2.0 Correct Answer(s): D