CK-12 Foundation
Ck 12: Trends in the Periodic Table
[Free Registration/Login may be required to access all resource tools.] Students investigate specific properties that can be predicted by an element's position on the periodic table. Additionally, they will look at the formation of ions,...
Google
Google for Education: Patterns in the Periodic Table
Students study trends in the periodic table of elements, supplemented by the use of spreadsheet functions. The spreadsheet functions presented can be used on any data set.
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.
Google
Google for Education: Example: Patterns in the Periodic Table
A lesson plan where students examine the trends in the periodic table.
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: 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 learners 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....
Simon Fraser University
Chem1 Virtual Textbook: Periodic Trends in Ion Formation
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses electron affinity and ionization energy in relation to ion formation. Charts and graphs are included as well.
CK-12 Foundation
Ck 12: Periodic Trends
[Free Registration/Login may be required to access all resource tools.] In the following online tutorail students will use the Periodic Table to identify and explain periodic trends, including atomic and ionic radii, electronegativity,...
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.
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."
Sophia Learning
Sophia: Periodic Trends: Atomic Radius: Lesson 3
This lesson will explain how the atomic 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 "Periodic Trends: Atomic Radius."
Sophia Learning
Sophia: Periodic Trends: Ionization Energy: Lesson 3
This lesson will explain how the ionization energy changes over representative elements across rows and up and down columns on the periodic table. It is 3 of 3 in the series titled "Periodic Trends: Ionization Energy."
Sophia Learning
Sophia: Periodic Trends: Atomic Radius: Lesson 2
This lesson will explain how the atomic radius changes over representative elements across rows and up and down columns on the periodic table. It is 2 of 3 in the series titled "Periodic Trends: Atomic Radius."
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.
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.
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.
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.
Sophia Learning
Sophia: Periodic Trends: Atomic Radius: Lesson 1
This lesson will explain how the atomic 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 "Periodic Trends: Atomic Radius."
Sophia Learning
Sophia: Periodic Trends: Electron Affinity: Lesson 3
This lesson will explain how the electron affinity changes over representative elements across rows and up and down columns on the periodic table. It is 3 of 3 in the series titled "Periodic Trends: Electron Affinity."
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."
Other
University of Texas: Tabled Discussion
At this University of Texas site, atomic orbital occupancy, quantum numbers, the Aufbau Principle, and periodic trends are described in detail.
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...
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.