Chemical Bonding -A chemical bond is the attraction between atoms that holds them together. -the negatively charged electrons and positively charged nuclei.

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Presentation transcript:

Chemical Bonding -A chemical bond is the attraction between atoms that holds them together. -the negatively charged electrons and positively charged nuclei are involved in bonding. -There are three different kinds of bonds that are important to know. They are: 1. ionic 2. covalent 3. metallic

Chemical Bonding

Chemical Bonding Ionic Bonds -between metals and nonmetals -doesn’t conduct electricity except when in water -metal gives up electrons completely to nonmetal -metal is called “cation” -nonmetal is called “anion”

Chemical Bonding

Chemical Bonding Covalent Bonds -between nonmetals only -never conducts electricity -sharing of electrons

Chemical Bonding

Chemical Bonding Metallic Bonds -between metals only -conducts electricity -protons surrounded by a “sea” of electrons

Chemical Bonding Analogies Develop your own analogy for the 3 chemical bonds (ionic, covalent, and metallic). Draw a single panel cartoon for each and explain how each cartoon is like the chemical bond. Remember: covalent bonds share electrons ionic bonds give and take electrons metallic bonds are like a sea of electrons ionic bonds (explanation) covalent bonds (explanation) metallic bonds (explanation)