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Chapter 7 Study Guide Vocab: Valence electron Electron dot structure Octet rule Halide ion Ionic compound Ionic bond Chemical formula Coordination number Formula unit Metallic bond Alloy What you should know? How can you tell how many valence electrons each atom has? How do valence electrons affect chemical reactions? How do you make an electron dot structure? How and why are ions formed? What is the periodic pattern for ionic charge? What holds ions together in an ionic compound? What kind of structures do ionic compounds form? How do you balance the charges in an ionic compound? What are the properties of ionic compounds? How do electrons behave differently in metals? What different types of crystal structures can metals have? What are the properties of metals? Why are alloys important?
