Ionic compound focus (Chapters 7/9)

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Chemistry • Naming & Bonding Unit
Part I - Ionic compound focus (Chapters 7/9)
Chapter
7.1
Objective:
1. Describe the difference between atoms and ions.
• define cation and anion
• describe what elements form cations and what elements form anions
• determine the number of electrons gained or lost when forming an ion.
2. Define valence electrons
• determine the number of valence electrons for any representative element
• draw electron dot structures for Group A (representative) elements.
3. Explain what a stable electron configuration is
• define the octet rule
• explain how elements achieve stable electron configurations
7.1, 9.1
4. Determine ionic charges of the elements
• determine charges for representative elements
• determine stock names and charges for ions with multiple charges
9.1
5. Define the term polyatomic ion
• memorize names, formulas, & charges of selected common polyatomic
ions
7.2
6. Explain how ionic compounds are formed
• draw dot diagrams showing the movement of electrons in the formation of
ionic compounds
•
7. Name and identify formulas for ionic compounds with elemental ions and
with polyatomic ions.
7.2, 9.2
7.2
8. Describe properties of ionic compounds: crystalline structure, electric
conductivity.
9.5
9. Define the Laws of Definite and Multiple Proportions
7.3
10. Define the term metallic bond
• explain how electrons in these bonds allow for malleability and
conductivity
• define alloy
Part II - Covalent (Molecular) compound focus (Chapters 8/9)
Source
Objectives - The student will:
8.2
1. Define single covalent bond
• draw structural formulas for covalent bonds
• define the terms shared pair and unshared pair
2. Define double and triple covalent bonds
• define diatomic molecule
• memorize diatomic elements on the periodic table
• draw structural formulas for covalent bonds
3. Define covalent (molecular) compounds
• draw structural formulas for covalent (molecular) compounds
4. Define resonance
• draw resonance structures for a given molecule or polyatomic ion
9.3
5. Name and identify formulas for molecular compounds
• memorize prefixes for molecular compounds
8.4
6. Describe properties of molecular compounds
• compare and contrast properties of molecular compounds with those of
ionic compounds
9.4
7. Name and identify formulas for acids
• define the term acid
• memorize three rules for naming acids
7,8,9
8. Name and write formulas for all types of compounds
• based on the name and/or formula of a compound, be able to tell whether
it is a molecular compound, ionic compound, or an acid.
7,8,9
3. Define the terms molecule, molecular compounds, ionic compounds.
7,8,9
4. Define the term chemical formula
• differentiate between a molecular formula and formula unit
• compare properties of molecular and ionic compounds
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