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Ch 6.4 Metallic Bonds (Structure of Metals)

Ch 6.4 Metallic Bonds (Structure of Metals)

Author: deirdre carney
Description:
  • Describe the structure and strength of bonds in metals
  • Relate the properties of metals to their structures
  • Define an alloy and demonstrate how the composition of an alloy affects its properties

Nevada Science Standards

P.12.A.1 Students know different molecular arrangements and motions account for the different physical properties of solids, liquids, and gases. E/S 

P.12.A.4 Students know atoms bond with one another by transferring or sharing electrons. E/S 

Next Generation Science Standards

HS-PS1-a Evaluate the merits of different atomic and molecular representations based on their ability to explain a given property of matter or phenomenon

HS-PS1-b Use the periodic table as a model to predict the relative properties of elements based on the patterns of electrons in the outer energy levels of atoms

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Tutorial

Ch 6.4 Structure of Metals

Read Chapter 6.4 Structure of Metals
Outline the reading in your Science Notebook & include major points and diagrams/tables.
You should focus on the following essential questions:
-What are the forces that give a metal its structure as a solid
- How do metallic bonds produce some of the typical properties of metals
- How are the properties of alloys controlled

Full Screen

Source: Prentice Hall Physical Science - Concepts in Action

Video Clip: Metallic Bonding

tutorial on the electron sea model of metallic bonding and the model's relationship to metallic properties such as malleability, hardness, high melting point, conductivity, and lustre