Covalent Compounds
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Covalent Compounds

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    Covalent Compounds Covalent Compounds Presentation Transcript

    • 1. Atoms can transfer one or more ___________________ to form an ionic bond. 2. Each atom is left with a _______________ outer shell. 3. An ionic bond forms between a ___________________ ion with a positive charge and a ___________________ ion with a negative charge. valence electrons full metal nonmetal
    • ReviewReview IonsIons Ionic BondsIonic Bonds Properties of ionicProperties of ionic compoundscompounds
    • Covalent BondCovalent Bond Valence electrons can beValence electrons can be sharedshared Two or more atoms canTwo or more atoms can shareshare electrons in theirelectrons in their outer shellouter shell This satisfies the octet ruleThis satisfies the octet rule
    • Covalent BondCovalent Bond Attraction of two or moreAttraction of two or more atoms for aatoms for a shared pairshared pair ofof electronselectrons No ions formedNo ions formed Usually formed from 2 orUsually formed from 2 or more nonmetalsmore nonmetals
    • Properties of CovalentProperties of Covalent CompoundsCompounds They are found in allThey are found in all states of matterstates of matter They have lowThey have low melting pointsmelting points
    • Properties of CovalentProperties of Covalent CompoundsCompounds Many do not dissolve inMany do not dissolve in water, some dowater, some do The ones that doThe ones that do dissolve, do not conductdissolve, do not conduct electricityelectricity