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Periodic Prezi 5
2
Periodic Table and Chemical Bonding
Lesson 3/Chem 025: Chemistry for Engineers
Periodic Table and
The periodic Table
Chemical Bonding
Lesson 3/Chem 025
Chemistry for Engineers
Presented by:
Elenita G. Cuenca, PhD.
Objectives
1. Use the Periodic Table to predict electron configuration
2. Identify the types of Chemical bonds between elements or atoms
Objectives
Explore your Periodic Table
Objectives
Importance
The understanding of how the elements are arranged in the periodic table is very important in the succeeding topics. It is expected that using the periodic table , you can determine the no. of electrons in the outermost shell, the valence electron, the no. of energy level, the type of elements and the types of chemical bonding.
Periodic Table has Groups and Periods
Periods, Groups and Trends
Periodic Trends
1. Atomic size increases as atomic number increases.
2. Metallic characteristics increases as atomic number increases.
3. Ionization energy and electronegativity decreases as atomic number increases.
4. Electropositivity increases as atomic number increases.
5. Electron affinity decreases as atomic number increases.
Valency & Trends
.
Trends
Valency
Properties of Elements
1. Metallic Character- tendency to lose electron during chemical reaction
2. Ionization Energy- energy required to remove electron
3. Electropositivity - tendency to give up or remove electrons
4. Electronegativity - attarct electrons from other atoms
5. Electron Affinity- accepts electron
Properties of Elements
Types of Elements
Chemical Bonding
Chemical Bonding
Covalent Bonding
Ionic Bonding
Metallic Bonding
Skill Building Activities
Skill Building Activities
Try your best to answer all the activities
Please refer to the last page of SAS for the answers to activities.
See video Links for this lesson.
Video links
Modern periodic table class 10 tricks https://www.youtube.com/watch?v=bKKJkxqIg94&list=TLPQMTIwODIwMjAnPM7SpjDURQ&index=2
Chemical Bonding: Ionic and Covalent Bonding: https://www.youtube.com/watch?v=yFK9it-i9Xc
Metallic Bonding Chemistry : https://www.youtube.com/watch?v=S08qdOTd0w0