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Merck KGaA (Darmstadt, Germany)

EMD PTE

For Students 9th - 12th
You can't tell by the title, but this is a functional periodic table of elements. Incorporating bright colors, lucid text, and easily operated features, this application serves as a valuable reference tool for your chemistry class.
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University of Victoria (Canada)

A Brief History of the Development of Periodic Table

For Students 9th - 10th
Provides information on the development of the periodic table under the following sections: In the Beginning, Law of Triads, First Attempts At Designing a Periodic Table, Law of Octaves, Who Is the Father of the Periodic Table?,...
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Science Struck

Science Struck: Metalloids in the Periodic Table

For Students 9th - 10th
Discusses the history and organization of the periodic table, where the metalloids fit in, and their properties. Includes color-coded periodic table of elements.
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Science Struck

Science Struck: History of the Periodic Table

For Students 9th - 10th
The modern periodic table has evolved over a long period of time as new discoveries have been made. Learn about the contributions made by different scientists to its development.
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Thomas Jefferson National Accelerator Facility

Jefferson Lab: The Periodic Table of Elements

For Students 9th - 10th
Click an element on the Periodic Table of Elements to learn more information such as the history and uses, origin of the name, isotope data, and more essential facts!
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Web Elements

Web Elements Periodic Table: Meitnerium

For Students 9th - 10th
This WebElements site offers basic data, history and the story of the synthesis of meitnerium.
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Encyclopedia of Earth

Encyclopedia of Earth: Elements

For Students 9th - 10th
Engaging and very informative article that explains what elements are, some of their history, how they are represented, the categories of elements, the periodic table, and how they are structured and classified.
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Encyclopedia of Earth

Encyclopedia of Earth: Hydrogen

For Students 9th - 10th
Information about the first element on the periodic table, Hydrogen, atomic number 1. Covers its history, sources, physical and atomic properties, places it occurs naturally on the Earth and in space, its many uses, and forms in which it...
Handout
Encyclopedia of Earth

Encyclopedia of Earth: Zirconium

For Students 9th - 10th
Information about the element Zirconium, atomic number 40. Covers history of its discovery, sources, physical properties, atomic properties, how abundant it is on the Earth, details about permissible exposure, uses, and possible...
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Frostburg State University

General Chemistry Online: History of Chemistry

For Students 9th - 10th
A compilation of frequently asked questions in the world of chemistry. Look for answers about atomic theory, periodic table, and Lavoisier in this FAQ.
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Encyclopedia of Earth

Encyclopedia of Earth: Vanadium

For Students 9th - 10th
Information about the element, Vanadium, atomic number 23. Covers its history, sources, physical and atomic properties, prevalence on the Earth, details about any health-related regulations, uses, and possible substitutes.
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Encyclopedia of Earth

Encyclopedia of Earth: Strontium

For Students 9th - 10th
Information about the element, Strontium, atomic number 38. Covers its history, sources, physical properties, atomic properties, how abundant it is on the Earth, details about permissible exposure, uses, and possible substitutes.
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Encyclopedia of Earth

Encyclopedia of Earth: Potassium

For Students 9th - 10th
Basic information about the element Potassium, atomic number 19. Covers its history, physical and atomic properties, and how abundant it is on the Earth.
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Encyclopedia of Earth

Encyclopedia of Earth: Copper

For Students 9th - 10th
Information about the element, Copper, atomic number 29. Covers its history, sources, physical properties, atomic properties, how abundant it is on the Earth, details about permissible exposure, uses, and possible substitutes.
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Royal Society of Chemistry

Visual Elements/history

For Students 9th - 10th
A history and description of the modern periodic table, including its early origins, many contributors and later additions.
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Royal Society of Chemistry

Royal Society of Chemistry: Nitrogen

For Students 9th - 10th
A short but nice description of nitrogen's uses and properties. Discusses the history of nitrogen and its characteristics.
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Web Elements

Web Elements Periodic Table: Erbium

For Students 9th - 10th
Webelements offers a nice presentation on erbium, its properties, uses and history, along with basic data. Clearly presented.
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Thomas Jefferson National Accelerator Facility

Jefferson Lab: It's Elemental the Element Einsteinium

For Students 9th - 10th
An overview of the element Einsteinium. Lists basic periodic table information along with its history and uses.
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Thomas Jefferson National Accelerator Facility

Jefferson Lab: The Element Fermium

For Students 9th - 10th
A description of the chemical element Fermium. Gives scientific information such as atomic weight and atomic number, and also discusses its history and uses.
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Encyclopedia of Earth

Encyclopedia of Earth: Oxygen

For Students 9th - 10th
Information about the element, Oxygen, atomic number 8. Covers history, physical and atomic properties, abundance, and permissible exposure limits. Also discusses forms of oxygen, isotopes, sources, and uses.
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Encyclopedia of Earth

Encyclopedia of Earth: Uranium

For Students 9th - 10th
Information about the radioactive element, Uranium, atomic number 92. Describes its history, physical and atomic properties, how abundant it is on the Earth, and permissible exposure limits. Also discusses sources, uses, isotopes,...
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Other

Especial Gas Inc.: Sulfur Properties and Compounds

For Students 9th - 10th
This page from Especial Gas Inc. contains some very interesting information about the element sulfur, and some of its common compounds. The history and relative abudance of the element is discussed, as well as where it can be found. The...
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Royal Society of Chemistry

Chemical Society: Argon

For Students 9th - 10th
This site, which is provided for by the Chemical Society, gives a small amount of basic information on argon, including its history and uses.
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Khan Academy

Khan Academy: Dmitri Mendeleev

For Students 9th - 10th
An article investigating the life and work of Dmitri Mendeleev.