Ionic, Covalent and Metallic Characteristics

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Chemistry

10th

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30 Terms

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Ionic
transfer of electrons
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Covalent
sharing of electrons
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Metallic
sharing of delocalized electrons
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Ionic
electrostatic force holding 2 ions together
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Covalent
low melting points
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Metallic
sea of electrons
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Ionic
attraction between cations and anions
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Covalent
does not conduct electricity in any form
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Metallic
attraction between metal atoms and sea of electrons
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Ionic
high melting points
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Covalent
electromagnetically difference less than 1.67
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Metallic
low to very high melting points
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Ionic
molten, gas, and liquid forms conduct electricity
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Covalent
atoms with the same or nearly the same electronegativity
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Metallic
conducts electricity in all phases
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Ionic
soluble in water
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Covalent
molecules
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Metallic
lustrous
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Ionic
Well defined crystals
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Covalent
polyatomic ions
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Metallic
metal+metal
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Ionic
electronegativity difference of 1.67 or more
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Covalent
non metal+non metal
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Metallic
malleable and ductile
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Ionic
formula units
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Covalent
Examples Include H2O, HCl, and Nitrate ion NO3^-1
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Metallic
Examples include Aluminum foil, lead shot and copper wire.
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Ionic
hard but brittle
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Ionic
metal + non-metal
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Ionic
Examples include NaCl and MgO