Ionic and Metallic Bonds

Objectives

• Determine the number of valence electrons in an atom of a representative element
• Explain how the octet rule applies to atoms of metallic and nonmetallic elements
• Describe how cations form
• Explain how anions form
• Explain the electrical charge of an ionic compound
• Describe three properties of ionic compounds
• Write Lewis dot structures

Vocabulary: valence electrons - electron dot structure - octet rule - ionic compound - ionic bond - chemical formula - formula unit

Objectives

• Using the "criss-cross" trick to form ionic compounds
• Proving that ionic compounds have an overall neutral charge
• Determine the charge of transition metals
• Naming ionic compounds with representative metals and transition metals

Vocabulary: ionic compound - ionic bond - chemical formula - formula unit - roman numerals

Objectives

• Using polyatomic ions for ionic bonding
• Writing formulas from a given name

Vocabulary: polyatomic ion

Objectives

• Model the valence electrons of metal atoms
• Describe the arrangement of atoms in a metal
• Explain the importance of alloys

Vocabulary: metallic bond - alloys

Khan Academy - Valence Electrons

Khan Academy - Single Bond Dot Structures

Khan Academy - Ionic and Metallic Bonds

Khan Academy - Metallic and Ionic Crystals

Rutgers College Prep - Ionic and Covalent Compounds video pdf

Nova Video - Atomic Structure of an Alloy

Nova Video - What Makes an Element Reactive?