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24 Cards in this Set
- Front
- Back
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FCC: Coordination #
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8
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BCC: Coordination #
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12
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Simple Cubic: Coordination #
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6
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Simple Cubic: Atoms/Unit cells
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1
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FCC: Atoms/Unit cells
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2
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BCC: Atoms/Unit cells
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4
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Simple cubic: APF
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.52
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FCC: APF
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.68
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BCC: APF
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.74
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FCC: element examples
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Chromium, Molybdenum
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BCC: element examples
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Gold, Platnium
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HCP: APF
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.74
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Crystal Systems:
a=b=c alpha=beta=gamma=90 degrees |
Cubic
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Crystal Systems:
a=b [NOT =] c alpha=beta=gamma=90 degrees |
Tetragonal
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Crystal Systems:
a [NOT =] b [NOT =] c alpha=beta=gamma=90 degrees |
Orthorhombic
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Crystal Systems:
a=b=c alpha=beta [NOT =] gamma |
Rhombohedral
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Crystal Systems:
a=b [NOT =] c alpha=beta=90 degrees gamma=120 degrees |
Hexagonal
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Crystal Systems:
a [NOT =] b [NOT =] c alpha=gamma=90 degrees [NOT = ] beta |
Monoclinic
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Crystal Systems:
a [NOT =] b [NOT =] c alpha [NOT =] beta [NOT =] gamma [NOT =] 90 degrees |
Triclinic
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4 Forms of Silica
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-Quartz
-Tridymite -Cristobalite -Fused Silica |
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High Polymerization
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-fewer chains
-longer chains -more rigid, less soluble |
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Low Polymerization
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-more chains
-shorter chains -less stiff, more soluble |
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Ceramics: High properties
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Hardness
Compressive Strength Melting point |
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Ceramics: Low properties
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Tensile Strength
Toughness Electrical Conductivity Chemical Reactivity Solubility |
