Ions et Bonding Covalent
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Questions and Answers

Ki l'ion charge a dîre deroûr l'ion positif?

  • Cation (correct)
  • Anion
  • Atom
  • Molecul
  • Les cations sont des ions qui gagnent des électrons.

    False

    Qu'est-ce qui se passe dans une liaison ionique?

    Un métal donne des électrons à un non-métal.

    L'hydrogène et l'oxygène forment de l'eau, mais l'eau a un total de ___ électrons manquants.

    <p>deux</p> Signup and view all the answers

    Associer les types de liaison avec leurs caractéristiques:

    <p>Liaison ionique = Donner et prendre des électrons Liaison covalente = Partage d'électrons Cation = Ion positif Anion = Ion négatif</p> Signup and view all the answers

    Study Notes

    Ions

    • Ions are charged particles.
    • Two types of ions exist: cations and anions.
    • Ionic bonding occurs when a metal and a nonmetal react.
    • In ionic bonding, electrons are transferred.
    • The atom that loses electrons becomes a positive ion (cation).
    • The atom that gains electrons becomes a negative ion (anion).
    • These oppositely charged ions are attracted to each other, forming an ionic compound.

    Covalent Bonding

    • Covalent bonding involves the sharing of electrons between atoms.
    • This type of bond typically forms between two nonmetals.
    • Sharing electrons allows both atoms to achieve a full valence shell, thus becoming stable.

    Water (H₂O)

    • Water (H₂O) has a specific structure.
    • A water molecule is missing two electrons. (Note: This is incorrect. Water has no missing electrons. It possesses electrons, and its structure is correctly defined by covalent bonding and electron sharing, not electron deficiency)

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    Description

    Ceci quiz discute les ions, y compris les cations et anions, ainsi que les principes du bonding ionique et covalent. Vous apprendrez comment ces types de liaisons influencent la structure des molécules, y compris l'eau. Testez vos connaissances sur ces concepts fondamentaux en chimie.

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