Unit 3: Ionic Bonding - Weebly

Unit 3: Ionic Bonding

Text References:

? Introduction to Chemical Bonding (6.1) ? Ionic Bonding (6.3) ? Metallic Bonding (6.4) ? Chemical Names and Formulas (7.1)

Focus Questions: ?How do ionic bonds form? ?What are the chemical and physical properties of ionic compounds?

Unit Objectives (what you need to know and be able to do on the test):

1. Define chemical bond. 2. Explain why most atoms form chemical bonds. 3. Differentiate ionic and covalent bonding. 4. Explain why most chemical bonding is neither purely ionic nor purely covalent. 5. Classify bonding type according to electronegativity differences. 6. Discuss the arrangements of ions in crystals. 7. Define lattice energy and explain its significance. 8. List and compare the distinctive properties of ionic compounds. 9. Determine the formula of an ionic compound formed between two given ions. 10. Name an ionic compound given its formula. 11. Describe the electron-sea model of metallic bonding, and explain why metals are good electrical conductors. 12. Explain why metals are malleable and ductile but ionic-crystalline compounds are not.

Vocabulary: ? chemical bond ? ionic bond ? covalent bond ? chemical formula ? electron-dot notation ? ionic compound ? formula unit

? polyatomic ion ? monatomic ion ? binary compound ? nomenclature ? oxyanion ? metallic bond ? electron sea model ? alloy

METALLIC BONDING

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