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

Chemistry - Ionic Bonding & Formation