Sophia Learning
Sophia: Isotopes: Lesson 4
This lesson will define an isotope and demonstrate how to determine the average atomic mass of an element. It is 4 of 9 in the series titled "Isotopes."
Sophia Learning
Sophia: Isotopes: Lesson 5
This lesson will introduce isotopes, and explain how they differ from other elements. It will also show that some isotopes are unstable and emit particles and/or radiation. It is 5 of 9 in the series titled "Isotopes."
Ducksters
Ducksters: Chemistry for Kids: Naming Chemical Compounds
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.
Ducksters
Ducksters: Chemistry for Kids: Famous Chemists
Get some information about some famous chemists who made impacts on their fields! These scientists helped to develop the laws of chemistry and discovered many of the elements.
Mocomi & Anibrain Digital Technologies
Mocomi: Molecules
When two or more atoms combine they give rise to a molecule. A molecule can be made up of many atoms of the same element. There are 112 elements known to man, so can you imagine the different permutations and combinations of molecules...
American Chemical Society
American Chemical Society: Hompage
ChemCenter, available from the American Chemical Society, provides chemistry news, reference sources and other public services.
Georgia Department of Education
Ga Virtual Learning: Ap Chemistry: Welcome
An introduction to the College Board's AP Chemistry course, which is designed to be equivalent to a first year college chemistry course.
TED Talks
Ted: Ted Ed: What Is the Universe Made Of?
The atoms around you have existed for billions of years- and most originated in the flaming, gaseous core of a star. Dennis Wildfogel tells the captivating tale of these atoms' long journeys from the Big Bang to the molecules they form...
Other
Fagan Finder: All About Rss
This page is about using RSS and Atom, from a non-technical standpoint.If you are interested in creating RSS feeds, see this RSS Workshop, or Atom for Publishers for Atom.
BBC
Bbc: Gcse Bitesize: The Periodic Table
Elements in the same group in the periodic table have similar chemical properties. This is because their atoms have the same number of electrons in the highest occupied energy level. Group 1 elements are reactive metals called the alkali...
BBC
Bbc: Gcse Bitesize: The Periodic Table
This lesson focuses on the periodic table and the configurations. In the modern periodic table, elements are in order of atomic number in periods and groups. Electronic configurations model how electrons are arranged in atoms. A link to...
Crescent Public Schools
The Internet Science Room: The Periodic Table and Atomic Theory of Matter
A chemistry tutorial highlighting historical development of the atomic theory of matter and the periodic table of elements.
State University of New York
State University of New York: Atomic Electron Configuration
This simulation displays the electron configurations of for the elements in relation to the element's position on the periodic table.
Sophia Learning
Sophia: Valence Electrons
During this exercise, practice finding the number of valence electrons in an element. [1:22]
CK-12 Foundation
Ck 12: Chemistry Simulation: Air Matters
[Free Registration/Login Required] Explore the composition of air and learn about the different atoms and molecules that we breathe every day.
University of Colorado
University of Colorado: Physics 2000: Elements as Atoms: Spin
A basic explanation of spin and how it relates to electrons and quantum numbers.
Concord Consortium
Concord Consortium: How Does an Object Become Charged?
Activity 1 in this module: What is the effect of changing the composition of an atom? Since all atoms contain protons, neutrons, and electrons, what makes one element different from another is examined.
Other
Science Alive: Synthetic vs. Natural: What's the Difference?
Through this reading, young scholars will learn that a substance's properties arise from its molecular structure, not from how it's made (i.e., synthesized by people or found in nature). There is no fundamental difference between natural...
Texas Instruments
Texas Instruments: Atomic Structure
This StudyCards stack enables students to review the terms associated with learning and using the Periodic Table of the Elements.
CK-12 Foundation
Ck 12: Physical Science: Valence Electrons
[Free Registration/Login may be required to access all resource tools.] Valence electrons, their variation in the periodic table and relation to reactivity and electrical conductivity of elements.
University Corporation for Atmospheric Research
Ucar: Cycles of the Earth System: Traveling Nitrogen
Through hands-on activities, students play the role of nitrogen atoms traveling through the nitrogen cycle to gain understanding of the varied pathways through the cycle and the relevance of nitrogen to living things.
Concord Consortium
Concord Consortium: How Does an Object Become Charged?
This module develops atomic-level causal models to explain observations of electrostatic interactions via the following activities: Activity 1. What is the effect of changing the composition of an atom? Activity 2. How do objects become...
Curated OER
Effective Nuclear Charge Periodic Trends
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses the properties of the atoms individually in relation to the main group elements of the Periodic Table.
Curated OER
Atomic Radii Definitions
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses the properties of the atoms individually in relation to the main group elements of the Periodic Table.
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