American Chemical Society
Joseph Priestley, Discoverer of Oxygen
Do you want to hear a joke about nitrogen and oxygen? NO. We all know there is oxygen in the air and that plants produce oxygen, but how was it discovered? Scholars read a handout, answer questions, and analyze material in the...
Science Teachers
Basic Periodic Table of the Elements
This basic, black-and-white printable is a copy of the periodic table of elements. It includes the standard element name, symbol, atomic number, and atomic weight. Across the bottom is an explanation that says for elements without stable...
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.
Science Struck
Science Struck: The Versatile Uses of Metalloids
Learn about the seven metalloid elements of the periodic table, their properties, and their uses.
Science Struck
Science Struck: Metalloids in the Periodic Table
Discusses the history and organization of the periodic table, where the metalloids fit in, and their properties. Includes color-coded periodic table of 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.
Mocomi & Anibrain Digital Technologies
Mocomi: Marie Curie Biography
Interesting biographical information, research and discoveries, and famous quotes about Marie Curie, the most famous female scientist of all time.
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.