IPC Notes Types of Bonds. Remember… Atoms combine by gaining, losing or sharing electrons in order to become chemically stable. Atoms become chemically.

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Presentation transcript:

IPC Notes Types of Bonds

Remember… Atoms combine by gaining, losing or sharing electrons in order to become chemically stable. Atoms become chemically stable by having a full outer shell with 8 valence electrons. (Octet Rule)

Types of Bonding Today we will focus on the 2 main types of bonding: Ionic Bonding & Covalent Bonding

Ionic Bonding Ionic bonds form when a metal and a nonmetal transfer electrons. Remember the octet rule-elements are the most stable when they have eight valence electrons in their outer shell.

Ionic Bonding Ions are formed by the giving and taking of electrons. The bond that forms between ions is an ionic bond.

Ionic Bonding Elements with only a few valence electrons will give electrons away to elements that only need a few to complete their octet.

Ionic Bonding What is the charge of an element that loses electrons? What is the charge of an element that loses electrons?POSITIVE What is the charge of an element that gains electrons? NEGATIVE

Ionic Bonding We can use electron dot diagrams to illustrate the gaining and losing of electrons in an ionic bond. When complete, the resulting diagram shows the ratio of the elements in the compound.

potassium & chlorine

calcium & chlorine

aluminum & oxygen

magnesium & sulfur

sodium & oxygen

aluminum & nitrogen

Covalent Bonding Covalent bonds form when two nonmetals share electrons. You will learn to draw covalent bonding diagrams in Chemistry next year.

Types of Bonding Practice Identify the following as either an ionic or covalent bond: Sulfur & Oxygen COVALENT

Types of Bonding Practice Identify the following as either an ionic or covalent bond: Sodium & Oxygen IONIC

Types of Bonding Practice Identify the following as either an ionic or covalent bond: Aluminum & Chlorine IONIC

Types of Bonding Practice Identify the following as either an ionic or covalent bond: Chlorine & Sulfur COVALENT

Types of Bonding Practice Identify the following as either an ionic or covalent bond: Magnesium & Sulfur IONIC

Types of Bonding Practice Identify the following as either an ionic or covalent bond: Beryllium & Phosphorus IONIC