Ch.11 - Liquids, Solids & Intermolecular ForcesWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: Bonding in period 3 elements.Which of these drawings represent molecules?


A diagram shows structures of Al, Si, P4, S8, and Cl2. Al (group 3A) has 12 nearest neighbors joined by metallic bonding. A diagram shows a large cube composed of spheres. All other atoms below are joined by covalent bonds. Si (group 4A) has 4 valence electrons. 8 minus 4 equals 4 bonds per atom. A diagram shows atoms bonded within a cube. P4 (group 5A) has five valence electrons. 8 minus 5 equals 3 bonds per atom. A diagram shows four atoms bonded in a pyramid shape. S8 (group 6A) has 6 valence electrons. 8 minus 6 equals 2 bonds per atom. A diagram shows 8 atoms bonded in a boat-shaped ring. Cl2 (group 7A) has 7 valence electrons. 8 minus 7 equals one bond per atom. A diagram shows two atoms joined by a single bond.

Bonding in period 3 elements.

Which of these drawings represent molecules?