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Ch.4 Molecular CompoundsWorksheetSee all chapters
All Chapters
Ch.1 Matter and Measurements
Ch.2 Atoms and the Periodic Table
Ch.3 Ionic Compounds
Ch.4 Molecular Compounds
Ch.5 Classification & Balancing of Chemical Reactions
Ch.6 Chemical Reactions & Quantities
Ch.7 Energy, Rate and Equilibrium
Ch.8 Gases, Liquids and Solids
Ch.9 Solutions
Ch.10 Acids and Bases
Ch.11 Nuclear Chemistry
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Covalent Bonds
Naming Binary Molecular Compounds
Molecular Models
Bonding Preferences
Lewis Dot Structures: Neutral Compounds (Simplified)
Multiple Bonds
Multiple Bonds (Simplified)
Lewis Dot Structures: Multiple Bonds
Lewis Dot Structures: Ions (Simplified)
Lewis Dot Structures: Exceptions (Simplified)
Resonance Structures (Simplified)
Valence Shell Electron Pair Repulsion Theory (Simplified)
Electron Geometry (Simplified)
Molecular Geometry (Simplified)
Bond Angles (Simplified)
Dipole Moment (Simplified)
Molecular Polarity (Simplified)

We can predict the number of bonds and lone pairs that elements prefer based on their group number.

Common Bonding Preferences

Concept #1: Common Bonding Preferences

Example #1: How many bonds and lone pairs are typically found around Oxygen atom?

Practice: How many bonds and nonbonding electrons can be found around Si atoms?

Practice: How many bonds and lone pairs can be found around Mg atoms?

a) 2, 1                    b) 2, 0                    c) 3, 1                     d) 3, 0