CK-12 Foundation
Ck 12: Physical Science: Elements
[Free Registration/Login may be required to access all resource tools.] Explores elements and their different properties, the history of elements, and how atoms relate to elements.
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.
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.
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.
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.
Khan Academy
Khan Academy: Counting Valence Electrons
Identify the number of valence electrons of given elements.
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.
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.
Ducksters
Ducksters: Chemistry for Kids: Elements Transition Metals
Kids learn about the transition metals of the periodic table. Which elements are in this group. Properties, similarities, and other facts.
Ducksters
Ducksters: Chemistry for Kids: Elements: The Noble Gases
Study the noble gases on this site. Learn about where to find them on the periodic table, what elements are in this group, and other facts.
Science Struck
Science Struck: Properties of Halogens
Looks at the chemical and physical properties of halogens.
Science Struck
Science Struck: Characteristics of Halogens
Learn about the characteristics, chemical and physical properties, and uses of halogens.
Khan Academy
Khan Academy: Practice Writing Electron Configurations
Choose the element that matches the electron configuration.
Khan Academy
Khan Academy: Counting Valence Electrons
A short assessment to see if you understand valence electrons in specific elements.
American Chemical Society
American Chemical Society: Hompage
ChemCenter, available from the American Chemical Society, provides chemistry news, reference sources and other public services.
Curated OER
Science World: Dmitri Mendeleev (1834 1907)
This page from ScienceWorld provides a brief biography of Dmitri Mendeleev, the Russian chemist who helped to develop the periodic table of the elements.
Frostburg State University
Frostburg State University: Antoine: Chemistry: Matter
A slideshow illustrating the science of matter from its properties, states, and classification to mixtures and the Periodic Table of Elements.
Royal Society of Chemistry
Royal Society of Chemistry: Erbium
This resource presents a short description of erbium's properties and uses.
Ducksters
Ducksters: Chemistry for Kids: Elements: Post Transition, Poor, Other Metals
Kids learn about the post-transition, poor, and other metals of the periodic table. Which elements are in this group. Properties, similarities, and other facts.
Ducksters
Ducksters: Chemistry for Kids: Elements: Metalloids
Kids learn about the elements that are considered metalloids on the periodic table. This site describes the properties, similarities, and other facts.
Ducksters
Ducksters: Chemistry for Kids: Elements: Nonmetals
Kids learn about the nonmetals of the periodic table. Which elements are in this group. Properties, similarities, and other facts are found on this site.
Ducksters
Ducksters: Chemistry for Kids: Elements: Alkali Metals
On this site, investigate the alkali metals of the periodic table. Find out which elements are in this group, properties, similarities, and other facts.
Ducksters
Ducksters: Chemistry for Kids: Elements: Lanthanides and Actinides
Kids learn about the lanthanides and actinides of the periodic table. Find out which elements are in this group. properties, similarities, and other facts on this site.
Amethyst Galleries
Mineral Galleries/minerals Containg Zinc
Long list of mineral resources that contain zinc.