Chemistry - Ionic Bonding & Formation

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What happens when an atom loses electrons?
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It becomes a positive ion (cation).
What happens when an atom gains electrons?
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It becomes a negative ion (anion)
What is ionic bonding?
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The electrostatic attraction between oppositely charged ions.
Which types of elements usually form ionic bonds?
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A metal and non-metal.
Why are oppositely charged ions attracted to eachother?
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Because of electrostatic forces.
What ion does sodium form?
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Na+ because it loses one electron.
What ion does chlorine form?
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Cl- because it gains one electron.
What compound is formed when sodium bonds with chlorine?
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Sodium chloride (NaCl)
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