Other
Introduction to Nitrogen Functional Groups
This organic chemistry tutorial describes the general class of nitrogen functional group compounds (amines and amides).
Other
English Montreal School: Chemical vs. Physical Changes: Elements vs. Compounds
A laboratory experiment where students classify matter into a homogenous mixture, heterogeneous mixture, solution, or pure substance. Also students will test for physical and chemical changes.
Sophia Learning
Sophia: Chemical Reactions: Lesson 6
This lesson will present a basic understanding of the periodic chart of elements and how to predict chemical reactions based on given information. It is 6 of 9 in the series titled "Chemical Reactions."
Sophia Learning
Sophia: Chemical Reactions: Lesson 9
This lesson will present a basic understanding of the periodic chart of elements and how to predict chemical reactions based on given information. It is 9 of 9 in the series titled "Chemical Reactions."
Ducksters
Ducksters: Chemistry for Kids: Organic Chemistry
Kids learn about organic chemistry including the importance of carbon, organic molecules, compounds, hydrocarbons, synthesis, and functional groups.
Capital Community College Foundation
Guide to Grammar and Writing: Run on Sentences
This site shows how to repair run-on sentences. Students and teachers will find this interactive resource helpful.
Wikimedia
Wikipedia: Alloy
This site from the Encyclopedia Wikipedia provides the definition of the term, "Alloy," and then offers hyperlinks to special alloys. The information is very brief, but factual, and worth checking out on the subject.
CK-12 Foundation
Ck 12: Percent Composition and Empirical & Molecular Formulas
[Free Registration/Login may be required to access all resource tools.] In this online tutorial students will learn to calculate the percent composition of a compound either from mass data or from the chemical formula. They will use...
Texas Education Agency
Texas Gateway: Classification of Matter by Composition
The following tutorial provides an explanation of classification of matter by composition.
Science Buddies
Science Buddies: Are There Dangerous Levels of Lead in Local Soil?
The element lead is a neurotoxin that is particularly dangerous to young children. Among other uses, lead compounds were common paint additives until being phased out for safer titanium-based additives beginning in the 1960's. Lead...
Carnegie Mellon University
Chem Collective: Mineral Composition
In this randomized calculation activity, students calculate the empirical formula of a compound given its elemental analysis. Step-by-step support and feedback is provided for students who need additional help.
Encyclopedia of Earth
Encyclopedia of Earth: Physics & Chemistry: Calcium
Information about the element, Calcium, atomic number 20. Covers physical and atomic properties, sources, its role in geochemical cycles, how abundant it is on the Earth, its isotopes, some compounds of calcium, and its importance to...
CK-12 Foundation
Ck 12: The Mole Concept
[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will identify three methods for measuring the amount of matter in a sample. They will define the mole and its relationship...
Other
Homewood City Schools: Classification of Matter
This Homewood City Schools site has an outline form and contains lots of information about the classification and composition of matter. Some of the topics covered are matter and temperature, changes in state, composition of matter, and...
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.
Other
State of New Jersey Occupational Health: Mercury
Information on mercury exposure sources, treatments symptoms and tests. Very readable.
Corrosion Source
Corrosion Source: Manganese
This resource presents a good summary of the history, properties, sources, uses and handling concerns of manganese. Also contains some basic data.
Other
Web ref.org: Manganese
A nice set of paragraphs summarizing basic information on manganese, its properties and applications. Well done links on all technical terms and vocabulary.
Texas Instruments
Texas Instruments: Matter
This Study Card stack enables students to review the concepts of matter, the kinds and classes of mater including atoms, molecules, elements, compounds, pure substance, and mixtures.
Science Education Resource Center at Carleton College
Serc: The Mole in Chemistry: Determining the Number of Atoms in Everyday Items
Students explore the concept of the mole as a measure of quantity. They build spreadsheets that allow them to convert between moles, grams, and atomic mass units for given quantities of everyday items, elements, and simple chemical...
Other
Virtual Chembook: Density Applications With Gases
DENSITY is a physical property of matter, as each element and compound has a unique density associated with it. Density defined in a qualitative manner as the measure of the relative "heaviness" of objects with a constant volume. For...
Other
American Institute of Physics: Vapor Pressure Calculator
Type in an element or compound and the temperature and corresponding vapor pressures are shown.
National High Magnetic Field Laboratory
Magnet Academy: Humphry Davy
Humphry Davy was a pioneer in the field of electrochemistry who used electrolysis to isolate many elements from the compounds in which they occur naturally. Electrolysis is the process by which an electrolyte is altered or decomposed via...
University Corporation for Atmospheric Research
Ucar: Biogeochemical Cycles
The ways in which an element or compound such as water moves between its various living and nonliving forms and locations in the biosphere is called a biogeochemical cycle. All of the atoms that are building blocks of living things are a...
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