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...

This hands-on activity will help the students have a better understanding of different types of materials as pure substances and mixtures and distinguishes the homogeneous and heterogeneous mixtures by discussing some material they use...

Lots of valuable information on nitrogen, its properties and some of its uses and compounds.

A learning module giving the definition of a covalent bond, the compounds and elements they make up and why they form. Module includes reading and review questions.

This site lists the topics and lessons available for Chemistry. The topics include Particles; Elements, compounds and mixtures; Chemical reactions, Predicting and identifying reactions and products, organic chemistry, and more.

Chemical composition is a section of a larger overview on Chemistry, covering a variety of aspects. This section focuses on elements, atoms, compounds, and structure. Examples, formulas, and pictures are provided.

[Free Registration/Login Required] This lesson is an exploration of element, compound and mixture. These activities introduce or reinforce vocabulary.

For this lesson the students will learn how to classify the materials as mixtures, elements and compounds and identify the properties of each group. Also the concept of separation of mixtures will be introduced to the students. Since...

Here you can find some great information about the 9th element in the periodic table, "fluorine." Content focuses on fluorine's electrons, where you can find fluorine in nature and in the home, and how fluorine combines with other elements.

Learn how to classify matter into elements, compounds, and mixtures while watching this interactive lesson. Listen to the explanation while you discover how to differentiate between different types of matter.

Key facts about the element nobelium, with links to more detailed information about nobelium, such as its discovery, uses, compounds, and properties, accessible from a menu to the left.

Resource contains and example problem and solution of how to compute percent compound within a mixture when given the mixture's mass and element percents.

Defines matter, substances, and mixtures and gives examples.

Try these five multiple-choice questions that help students review atoms, elements, and compounds. Each question has a hint and a self-checking feature.

This audio book, narrated by author Mark Bishop, describes the relationship between the masses of elements and compounds. Steps for the conversion process are given. Also find links to tutorials and animations for other chemistry sections.

Part of a larger site on "The Fundamentals of Critical Reading and Effective Writing," this section on the simple sentence focuses on the subject and the predicate. Definitions and examples are provided along with a section on...

Students learn how to find percentage composition, the percentage of a formula mass represented by each element. Percentage composition compares the mass of one part of a substance to the mass of the whole.

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.

Covering a range of eight topics related to chemistry, this resource provides a wealth of information complete with pictures, charts, graphs, and examples. Includes information on elements, compounds, atoms, molecules, structures,...

Learn about naming chemical compounds in chemistry including conventions, the order of the elements, metals, non-metals, acids, and examples on naming on this site.

This site shows how to repair run-on sentences. Students and teachers will find this interactive resource helpful.

A resource provided to Grade 8 teachers to address the School District of Philadelphia's Core Curriculum on the topic of Matter. It covers properties and states of matter, elements, compounds, mixtures, atoms, and the periodic table....

A collection of grid puzzles that cover topics in basic chemistry, including acids, salts, alkalis, chemistry lab equipment, the periodic table, states of matter, and more. These are excellent for topic review and reinforcement. The...

This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...