TOPIC
Chemistry: Chemical bonding
DURATION
12 sessions, 45mins each session (3 weeks)
TEACHER
Asamoah Gideon Ansu
GRADE
11
CONCEPT MAP OF UNIT
1.
Introduction to chemical bonds
1.1. Types of chemical bonding
1.2. Electronegativity
1.3. Covalent bond energies
1.4. Covalent bond and lewis structures
1.5. Octet rule and exceptions to the octet rule.
UNIT ESSENTIAL QUESTIONS
KEY LEARNING(S) /OBJECTIVES
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Students should know atoms combine to form
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What is the term chemical bond?
molecules and compounds by sharing electrons
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Why do atoms form bond with each other to
form compounds?
to form covalent or metallic or by exchanging
electrons to form ionic bonds.
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compounds?
They will learn to classify bonds according and
electronegativity differences and diffrerentiate
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Students will be able to
What type of elements form ions (cation and
anion)?
between the various bonds using their special
characteristics.
How do atoms bond with each other to from
INSTRUCTIONAL TOOLS (SPECIAL)
Use computer simulation to explain the formation of
ions and electron arrangement.
Carry out an activity to illustrate formation of ionic
bond through models, diagrams, or computer
simulation.
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How is covalent, ionic, metallic bond formed?
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What is the major differences between
Use computer simulation to illustrate the existence of
covalent bind and ionic bond?
electrostatic force between ions of opposite charges in
ionic bond.
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Explain the stability of inert gases
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Explain the conditions for the
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What are valence electrons?
formation of bonds
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What is the octect rule?
CONCEPT #1
CONCEPT #2
CONCEPT #3
CONCEPT #4
Types of chemical bonds.
Covalent bond energies
Covalent bond and Lewis structures
Octet Rule and exceptions to the octet
Electronegativity
LESSON ESSENTIAL QUESTIONS #1
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rule
LESSON ESSENTIAL QUESTIONS #2
What is the term chemical
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Explain what bond energy is.
bond?
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Explain bond length.
Why do atoms form bond with
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Arrange various bond in order or
each other to form compounds?
increasing or decreasing bond
How do atoms bond with each
strength
other to from compounds?
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LESSON ESSENTIAL QUESTIONS #3
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LESSON ESSENTIAL QUESTIONS #4
Explain polar and non-polar
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State the octet rule.
covalent compounds.
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State the elements that do not
Identify various Lewis structures
follow the octet rule.
of compounds.
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Draw these structures.
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Identify which structures are
polar and non-polar
What type of elements form
ions (cation and anion)?
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Define elcetronegativity?
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Identify the electronegative
values on the periodic table.
VOCABULARY #1
VOCABULARY #2
VOCABULARY #3
VOCABULARY #4
Atom, molecule, ion, compound,
Covalent compounds, single bond, double,
Valance electrons, polar and non-polar
Octet rule, octet, stable, non-stable
electrons, neutrons, protons, electron
triple bonds, electron transfer, metals,
covalent, Lewis structures
shell/level, valence electrons, chemical
nonmetals, bond length, double bond,
bonding, ionic bond, covalent bond
triple bond, bind energy
CONTENT/ ASSESSEMENT AND EVALUATION
PLEASE REFER
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TO PPT FOR MUCH INFORAMATION ON FULL CONTENT. The ppt presentations includes different activities with an explanation for the students to answer
questions or solve a problem, make observations, and collect data, and draw a conclusion.
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COURSE WORKSHEETS FOR ASSESSEMENT (CLASS WORK, HOMEWORK, QUIZ AND TEST). FINAL ASSESEMENT: Conceptual maps (final project)
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