CK-12 Foundation
Ck 12: Electron Configuration and the Periodic Table
[Free Registration/Login may be required to access all resource tools.] In this learning module, students will explore how the form of the periodic table is related to electron configurations, which in turn influences chemical reactivity.
Sophia Learning
Sophia: Period Trends: Ionic Size: Lesson 3
This lesson will explain how the ionic radius changes over representative elements across rows and up and down columns on the periodic table. It is 3 of 3 in the series titled "Period Trends: Ionic Size."
Texas Instruments
Texas Instruments: Setting the Trend
In this activity you will - Determine the trend in atomic radius for the periodic table. Determine the trend in first ionization energy for the periodic table. Determine the trend in electronegativity for the periodic table.
Science Education Resource Center at Carleton College
Serc: Valence Electrons and Trends in the Periodic Table
This instructor led activity will produce a partially filled periodic table that contains electron-dot models for the first twenty elements in the appropriate boxes. It will be used as a visual tool for students to connect concepts such...
Other
Dynamic Periodic Table
Using this interactive Periodic Table of Elements, learners can view real-time data, dynamically change layouts, visualize trends, and see a 3-D view of orbitals. The names of elements are available in dozens of different languages....
Oklahoma State University
Oklahoma State University: Ionization Energy Trends
Site that discusses trends in ionization energy across and down the periodic table. Apparent contradictions are explained using electron configurations.
Science Education Resource Center at Carleton College
Serc: Group and Periodic Properties Lab
Students observe and perform experiments with sodium, potassium, calcium, magnesium, sulfur ,and phosphorus. The discover trends down groups, across periods, and having to do with the pH of metal oxides vs. nonmetal oxides.
Sophia Learning
Sophia: Period Trends: Ionic Size: Lesson 1
This lesson will explain how the ionic radius changes over representative elements across rows and up and down columns on the periodic table. It is 1 of 3 in the series titled "Period Trends: Ionic Size."
CK-12 Foundation
Ck 12: Chemistry: Metallic and Nonmetallic Character
[Free Registration/Login may be required to access all resource tools.] Covers metallic character, nonmetallic character, and periodic table trends.
CK-12 Foundation
Ck 12: Chemistry: Electron Affinity
[Free Registration/Login may be required to access all resource tools.] Covers the definition of electron affinity and trends in electron affinity.
Curated OER
Effective Nuclear Charge Periodic Trends
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses the properties of the atoms individually in relation to the main group elements of the Periodic Table.
Science Education Resource Center at Carleton College
Serc: Trends on the Periodic Table: Metals, Non Metals, and Metalloids
In this lab activity, students will be asked to observe and then test the physical and chemical properties of several different elements.
Georgia Department of Education
Ga Virtual Learning: Ap Chemistry: Atomic Theory
In this module students explore how matter is classified, the history of atomic theory, subatomic particles, modern atomic theory, electron configuration, the periodic table and its trends, and spectroscopy.
Upper Canada District School Board
Tom Stretton's Chemistry Pages: The Chemistry of Period 3
Through an online slideshow format, learn about the chemistry behind Period 3 on the Periodic Table of Elements. The last slide has questions for students.
Ohio State University
Ohio State University: Electron Affinity
This page describes electron affinity and the periodic trends of the elements according to their positions on the periodic table.
Sophia Learning
Sophia: Electronegativity
Explore the concept of electronegativity and how it trends across the periodic table of elements. The author uses simple, humorous drawings to help with understanding.
Wikimedia
Wikipedia: Electronegativity
This encyclopedia article from Wikipedia gives a definition for what electronegativity is, information on the two scales of electronegativity that are in common use (Pauling and Mulliken Scales), and a discussion on electronegativity...
Science Struck
Science Struck: Electronegativity Chart of Elements
Explains what electronegativity bonding is and presents a periodic table of elements that is color-coded to show electronegativity trends.
Curated OER
Covalent Atomic Radii Periiodic Trends
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses the properties of the atoms individually in relation to the main group elements of the Periodic Table.
Curated OER
Ionic Radii Periiodic Trends
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses the properties of the atoms individually in relation to the main group elements of the Periodic Table.
Curated OER
Ionization Energies Periiodic Trends
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses the properties of the atoms individually in relation to the main group elements of the Periodic Table.
Curated OER
Electron Affinities Periiodic Trends
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses the properties of the atoms individually in relation to the main group elements of the Periodic Table.
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