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What’s Trending with the Elements?
This resource, aligned with Chemistry TEKS (5)(C), provides alternative or additional tier-one learning options for students using the periodic table to identify and explain trends.
The Bohr Model
Students will understand Bohr’s experimental design and conclusions that lead to the development of his model of the atom, as well as the limitations of his model.
Valence Shell Electron Pair Repulsion
Given illustrations or descriptions, students will predict the shape of molecules based upon the extent of the electron pair electrostatic repulsion.
Chemical Bonding: Metallic Bonds
Given scenarios or diagrams, students will describe the nature of metallic bonding and explain properties such as thermal and electrical conductivity, malleability, and ductility of metals.
Given descriptors, diagrams, and chemical symbols, students will use the periodic table to determine the electron configuration of neutral atoms.
Nomenclature: Covalent Compounds
Given descriptions, diagrams, or scenarios, students will write and name the chemical formulas of binary covalent compounds.
Ionic Bonds: Electron Dot Formulas
Given descriptions, diagrams, scenarios, or chemical symbols, students will model ionic bonds using electron dot formulas.
Moles and Molar Mass
Given descriptions or chemical formula of a substance, students will use the concept of a mole to relate atomic mass to molar mass.
Types of Solutions: Saturated, Supersaturated, or Unsaturated
Given scenarios, graphs, diagrams, or illustrations, the student will determine the type of solution such as saturated, supersaturated, or unsaturated.
Conservation of Momentum
This resource was created to support TEKS IPC(4)(E).
Introducing Conic Sections
Given a verbal description or a pictorial representation, the student will describe a conic section as the intersection of a cone and a plane.
Graphing Conic Sections: Ellipses
Given an equation, the student will use parameter changes to graph an ellipse and to identify the changes in the graph of an ellipse.
Graphing Conic Sections: Hyperbolas
Given an equation, the student will use parameter changes to graph a hyperbola and to identify the changes in the graph of a hyperbola.
Covalent Bonding: Electron Dot Diagrams
Given descriptions, diagrams, scenarios, or chemical symbols, students will model covalent bonds using electron dot formula (Lewis structures).
Forms of Energy
Given diagrams, illustrations, or descriptions, students will identify the types of energy.
Law of Conservation of Energy: Heat Transfer
Given illustrations, scenarios, descriptions, and/or diagrams, students will demonstrate understanding of heat transfer.
Given descriptions, diagrams, scenarios, or chemical symbols, students will calculate the energy changes and identify exothermic and endothermic reactions.
Given scenarios, illustrations, or descriptions, students will identify the process of calorimetry and calculate the heat of a chemical process.
Given scenarios, descriptions, or illustrations, the student will determine the properties of water that affect chemical and biological systems.
Given graphs, scenarios, illustrations, or descriptions, the student will determine how different processes affect solubility in aqueous solutions.