Presentation is loading. Please wait.

Presentation is loading. Please wait.

The Chinese University of Hong Kong EDD 5161A (Group 5) Subject: Chemistry Topic: Common Metals.

Published byGyles Webster Modified over 9 years ago

Similar presentations

Presentation on theme: "The Chinese University of Hong Kong EDD 5161A (Group 5) Subject: Chemistry Topic: Common Metals."— Presentation transcript:

1

2 The Chinese University of Hong Kong EDD 5161A (Group 5) Subject: Chemistry Topic: Common Metals

3 Distribution of work Content : Wong Chi Wai Design content layout: Ho Pui Yan, Sze Hiu Ying, Wong Chi Wai, Yiu Bo Kwai Graphic Design: Ho Pui Yan, Sze Hiu Ying, Wong Chi Wai, Yiu Bo Kwai Sound effect: Ho Pui Yan,Wong Chi Wai, Yiu Bo Kwai Final make - up: Sze Hiu Ying

4 Introduction This presentation package is suitable for Form 4 Chemistry students. It provides background knowledge of metals. It would be used as lecture notes with teacher’s explanation.

5 Common Metals Factors for the use of metals Factors for the use of metals Uses of common metals Uses of common metals Process of obtaining metal Process of obtaining metal Factors for availability of metal Factors for availability of metal Structure of metal Structure of metal Properties of metal Properties of metal

6 Factors for the use of metal It is very hard! Hardness

7 Good appearance Factors for the use of metal The gold is very attractive It is very expensive

8 Factors for the use of metal I can fly! Low Density High Density

9 Factors for the use of metal Corrosion  Corrosion resistant resistant

10 Uses of Metals n Iron n Titanium n Copper n Aluminium n Gold

11 Uses of Iron

12 Uses of Titanium Titanium is used to build plane & spacecraft body.

13 Uses of Copper  E E lectrical wires  W ater pipes  C ooking Utensils

14 Uses of Aluminium Window frame Soft drink can Overhead Cable Plane body

15 Uses of Gold

16 Process of Obtaining Metal ì Mining the metal ores ì Extraction ì Purification

17 Factors for the availability of metals Cost of extraction Cost of mining the metal ores

18 + + + + + + + + + + + + + - Electron + - Positive ion Structure of Metals Giant metallic bond  Giant metallic bond  Delocalized mobile electrons - ‘sea’ of electrons

19 Properties of Metal Hot hot! High melting point & boiling point

20 Good heat conductor Good electrical conductor Properties of Metal

21 I’m flattened! Malleable

22 Properties of Metal Help! Ductile !

23 The End Congratulations!

Download ppt "The Chinese University of Hong Kong EDD 5161A (Group 5) Subject: Chemistry Topic: Common Metals."

Similar presentations

Metals All metals belong to one of these two groups.

Metals All metals belong to one of these two groups.
Teacher notes This completing sentences activity provides the opportunity for some informal assessment of students’ understanding of metal extraction.

Teacher notes This completing sentences activity provides the opportunity for some informal assessment of students’ understanding of metal extraction.
Metallic Bonds and Properties of Metals 8.4

Metallic Bonds and Properties of Metals 8.4
New Way Chemistry for Hong Kong A-Level Book 11 Chapter 12 Structures and Properties of Materials 12.1Classification of Substances According to Structure.

New Way Chemistry for Hong Kong A-Level Book 11 Chapter 12 Structures and Properties of Materials 12.1Classification of Substances According to Structure.
Transition Metals Noadswood Science, 2011. Transition Metals To understand the properties of transition metals Monday, May 04, 2015.

Transition Metals Noadswood Science, Transition Metals To understand the properties of transition metals Monday, May 04, 2015.
What is an ore? Why do we have to use chemical reactions to extract most metals? What is the name given to the group of metals in the centre of the periodic.

What is an ore? Why do we have to use chemical reactions to extract most metals? What is the name given to the group of metals in the centre of the periodic.
Specification section 1.2

Specification section 1.2
Aluminium & Titanium Noadswood Science, 2011. Aluminium & Titanium To know how aluminium and titanium are used Saturday, August 08, 2015.

Aluminium & Titanium Noadswood Science, Aluminium & Titanium To know how aluminium and titanium are used Saturday, August 08, 2015.
Metals Electrons in the outer shell are very unstable. Atoms are packed together in a regular pattern. Packed so tightly that some of the electrons become.

Metals Electrons in the outer shell are very unstable. Atoms are packed together in a regular pattern. Packed so tightly that some of the electrons become.
I. Metallic Bonds  How atoms are held together in the solid form.  Metals hold onto their valence electrons very weakly.  Think of them as positive.

I. Metallic Bonds  How atoms are held together in the solid form.  Metals hold onto their valence electrons very weakly.  Think of them as positive.
Summary : Rocks and metals Ores are compounds which contain enough metal to make it economic to extract the metal. Examples of ores include: Haematite.

Summary : Rocks and metals Ores are compounds which contain enough metal to make it economic to extract the metal. Examples of ores include: Haematite.
Physical Properties Notes

Physical Properties Notes
Metal Properties. Question 1 Use the information in the table to help you to answer this question. Match words from the list with the numbers 1– 4 in.

Metal Properties. Question 1 Use the information in the table to help you to answer this question. Match words from the list with the numbers 1– 4 in.
Metallic Bonds and Properties of Metals. Metals Metals are made up of closely packed cations surrounded by electrons, rather than neutral atoms or ions.

Metallic Bonds and Properties of Metals. Metals Metals are made up of closely packed cations surrounded by electrons, rather than neutral atoms or ions.
Chemistry. Metallic Bonds  sea of electrons – metal atoms contribute their valence electrons  delocalized electrons – electrons are free to move throughout.

Chemistry. Metallic Bonds  sea of electrons – metal atoms contribute their valence electrons  delocalized electrons – electrons are free to move throughout.
METALS Metals are…Solid at room temperature, except mercury, which is liquid ! Metals have…medium to high melting points Metals are…shiny when they cut.

METALS Metals are…Solid at room temperature, except mercury, which is liquid ! Metals have…medium to high melting points Metals are…shiny when they cut.
The Chinese University of Hong Kong The teaching of chemistry.

The Chinese University of Hong Kong The teaching of chemistry.
Chemistry Chapter 8 Notes 3. Review Compounds Can all be represented by chemical formulas Are connected by chemical bonds Ionic Metallic Covalent Compounds.

Chemistry Chapter 8 Notes 3. Review Compounds Can all be represented by chemical formulas Are connected by chemical bonds Ionic Metallic Covalent Compounds.
METALS & NON-METALS. Today’s Objectives: Describe the appearance of metals and non- metals Test the conductivity of metals and non-metals Understand the.

METALS & NON-METALS. Today’s Objectives: Describe the appearance of metals and non- metals Test the conductivity of metals and non-metals Understand the.
Chemistry. Bonding in Metals You have probably seen decorative fences, railings, or weathervanes made of a metal called wrought iron. In this section,

Chemistry. Bonding in Metals You have probably seen decorative fences, railings, or weathervanes made of a metal called wrought iron. In this section,

Similar presentations

Ads by Google