Clackamas Community College
Clackamas Community College: Chemical Bonding: Metals and Nonmetals
A chart of the periodic table of elements, including showing the nonmetal group.
Sophia Learning
Sophia: Metallic Character: Lesson 1
This lesson will describe metallic character and describe how it changes throughout the periodic table. It is 1 of 3 in the series titled "Metallic Character."
American Chemical Society
American Chemical Society: Hompage
ChemCenter, available from the American Chemical Society, provides chemistry news, reference sources and other public services.
Science Struck
Science Struck: Uses of Alkali Metals
Lists the properties of the alkali metal group of the periodic table and describes each of the six elements and their uses.
Environmental Chemistry
Chemistry and Environmental Dictionary: Metals
A brief description of the metal group, with examples and links.
Chem4kids
Chem4 Kids: Alkali Metals to the Left
To the left. To the left. The elements in the left column of the period table are alkali metals with the exception of hydrogen. This is a brief overview of the alkali metals, what their family is all about and how well they bond or do...
Science Struck
Science Struck: Properties and Characteristics of Chalcogens
Describes the chemical and physical properties of the chalcogen group of elements, also known as the oxygen group.
CK-12 Foundation
Ck 12: Physical Science: Hydrogen and Alkali Metals
[Free Registration/Login may be required to access all resource tools.] Explores group 1 elements (Alkali Metals) and their properties.
CK-12 Foundation
Ck 12: Physical Science: Noble Gases
[Free Registration/Login may be required to access all resource tools.] Group 18 elements and their properties.
CK-12 Foundation
Ck 12: Chemistry: Hydrogen and Alkali Metals
[Free Registration/Login may be required to access all resource tools.] Covers Group I elements, electron configuration, and reactivity.
CK-12 Foundation
Ck 12: Physical Science: Halogens
[Free Registration/Login may be required to access all resource tools.] Disscusses group 17 elements (Halogens) and their properties.
Thomas Jefferson National Accelerator Facility
Jefferson Lab: Element Crossword Puzzle the Chalcogen Group [Pdf]
Find out what you know about elements by completing this crossword puzzle! This puzzle focuses on the chalcogen elements.
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."
Wikimedia
Wikipedia: Chalcogen
An informative article from the Wikipedia encyclopedia about Group 16 from the Periodic Table (also known as the Chalcogens). It gives information about their compounds and on the oxidation numbers of the elements.
Encyclopedia of Earth
Encyclopedia of Earth: Toxicology: Heavy Metal
Defines heavy metals, describes physical and chemical properties, discusses how heavy metals find their way into plants and animals, and the negative impact they have.
Upper Canada District School Board
Tom Stretton's Chemistry Pages: The Noble Gases
Through an online slideshow format, learn about the chemical properties and practical uses of the noble gases. Includes questions at end.
Science Struck
Science Struck: What Are the Uses of Chalcogens?
The uses of each of the five chalcogens, i.e., the oxygen family of elements, are described.
McGraw Hill
Mc Graw Hill: Transition Elements: Self Assessment Quiz 2
A self-assessment quiz accompanying Chapter 23 of the text, Chemistry: The Molecular Nature of Matter and Change, Fifth Edition. The title of the chapter is "The Transition Elements and Their Coordination Compounds."
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: Elements Metals, Nonmetals and Metalloids
Students investigate several properties of the given elements and decide whether each element is a metal, non-metal, or a metalloid.
Wikimedia
Wikipedia: Alkaline Earth Metals
Wikipedia offers a brief but accurate definition of alkaline earth metals. Includes a list of elements in the chemical series.
CK-12 Foundation
Ck 12: Chemistry: Alkaline Earth Metals
[Free Registration/Login may be required to access all resource tools.] Covers alkaline earth elements, electron configuration and reactions.
Science Struck
Science Struck: Halogen Family
Read about the non-metallic elements in the halogen family, what their chemical and physical properties are, their uses, and some interesting facts about them.
Ducksters
Ducksters: Chemistry for Kids: Elements: Halogens
Explore the halogens of the periodic table. Learn about which elements are in this group and the properties, similarities, and other facts.