Chem Bonds
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2023
Last updated 8:28 PM on 4/26/23
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48 Terms
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Network nickname
Macromolecule
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Network ex.
SiO2, SiC, graphite, diamond
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Network phases
Solid
4
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Network hardness
Very hard
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Network MP
Very high
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Network malleability
Shatters
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Network ease of phase change
Low vp; high Hf (resist change)
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Network conductivity
Poor or semi-conductor
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Network EN difference between atoms
NA
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Network character
Special type of covalent bond
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Network dot diagram
NA
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Network other facts
Giant network involving group 14 atoms
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Metallic nickname
NA
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Metallic ex.
Metal-metal
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Metallic phases
Solid (except Hg)
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Metallic hardness
Hard (some are moderately soft)
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Metallic MP
Usually high
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Metallic ease of phase change
Malleable
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Metallic ease phase change
Low vp; some easily melt
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Metallic Conductivity
Good conductors
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Metallic EN difference between bonded atoms
NA
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Metallic character
Sea of mobile electrons
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Metallic dot diagrams
NA
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Metallic other facts
Have luster, ductile
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Ionic nickname
Salts
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Ionic ex.
Metal-nonmetal
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Ionic phases
Solid
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Ionic hardness
Hard
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Ionic MP
High
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Ionic malleability
Shatters
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Ionic ease of phase change
Low vp; high Hf
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Ionic conductivity
Conducts ONLY when melted or dissolved in water
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Ionic EN difference between bonded atoms
1\.7 and above
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Ionic character
E- transfers coulombic attraction between cations and anions
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Ionic dot diagrams
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Ionic other facts
Gritty solids
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Covalent nickname
Molecule
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Covalent ex.
NM-NM
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Covalent phases
S, l, & G
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Covalent hardness
Solids are relatively soft
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Covalent MP
Relatively low
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Covalent malleability
Shatters
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Covalent ease of phase change
High vp; easy to melt or boil
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Covalent conductivity
Nonconductors
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Covalent EN difference between bonded atoms
0 → < 4 = NP
.4 → < 1.7 = polar
.4 → < 1.7 = polar
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Covalent character
E- shared = (NP) and un=(polar)
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Covalent dot diagram
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Covalent other facts
Diatonic molecules, sugar, water
Note 
Flashcards (129)