Ionic Bonding - Bonding and Structure
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Last updated 11:38 AM on 12/16/24
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12 Terms
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what is an ion?
an atom that has lost or gained an electron
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what happens when a metal reacts with a non metal (in terms of electrons)
the electrons in the outer shell of the metal atom are transferred
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metal atoms …
lose electrons to become positively charged ions
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non metal atoms …
gain electrons to become negatively charged ions
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when are ionic compounds formed?
when a metal and a non metal react
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how are ionic bonds formed?
transfer of electrons from the outer shell of the metal to the outershell of the non metal
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what is a giant structure of ions called
ionic compound
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how are ionic compounds held together?
strong electrostatic forces of attraction between oppositely charged ions
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what is an example of an ionic compound?
sodium chloride (salt)
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why do compounds with giant ionic lattices have high melting and boiling points?
* strong electrostatic forces of attraction between oppositely charged ions
* requires a lot of energy to overcome these forces of attraction
* requires a lot of energy to overcome these forces of attraction
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why can’t ionic compounds conduct electricity when solid?
ions are in fixed positions so can’t conduct electricity
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why can ionic compounds conduct electricity when molten/in aqeous solution?
ions are free to move carrying charge and conducting electricity
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