Exam (elaborations)
CHEM 162 Midterm 2 - Terms
- Module
- CAA201 - Test 3.
- Institution
- CAA201 - Test 3.
CHEM 162 Midterm 2 - Terms
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CHEM 162 Midterm 2 - TermsCrystalline solid - CORRECT ANSWER-a solid made of an ordered array of
atoms, ions, or molecules
Amorphous solid - CORRECT ANSWER-a solid that lacks long-range order for
the atoms, ions, or molecules in its structure
Molecular solid - CORRECT ANSWER-a solid formed by neutral, covalently
bonded molecules held together by IMFs
Ionic solid - CORRECT ANSWER-a solid consisting of monatomic or polyatomic
ions held together by ionic bonds
Covalent network solid - CORRECT ANSWER-a solid consisting of atoms held
together by extended arrays of covalent bonds
Homogenous alloy - CORRECT ANSWER-solid solution in which atoms of host
and added elements are randomly and uniformly distributed
Heterogenous alloy - CORRECT ANSWER-matrices of atoms of host materials
interspersed with small "islands" of individual atoms of other elements
Substitutional alloy - CORRECT ANSWER-dopant atoms replace host atoms in
crystal lattice. different sized atoms than host distort lattice structure
Interstitial alloy - CORRECT ANSWER-dopant atoms occupy spaces between
atoms of the host. increased strenght/hardness, but also brittleness
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