Curated OER
Unknown Element Project
High schoolers work with a partner to determine the identity of an unknown element based on given descriptions. Groups use classroom textbooks, encyclopedias, and science internet sites to identify their unknown element then write a...
Curated OER
Doing Lewis Dot Diagrams
Young scholars observe the periodic table and draw the Lewis Dot Diagram. For this investigative lesson students construct information on several elements including the Lewis Dot Formation and take a quiz on the information they...
Curated OER
Periodic Table Basics 2
In this periodic table worksheet, students create cards for a annotated periodic table then use it to answer 16 short answer and fill in the blank questions.
Curated OER
??Discovering Patterns and Trends of the Periodic Table using PDAs??
In this lesson, 10th graders research the elements within a particular period of the periodic table of elements. Students gather data from PDA for each element and join other individuals to decpher the patterns in the peridoc table.
Curated OER
Periodic Table
In this periodic table worksheet, students characterize elements according to their group in the periodic table. This worksheet has 26 matching and 13 multiple choice questions.
Curated OER
Periodic Table
In this elements worksheet, students review the characteristics of elements and the periodic table. This worksheet has 2 different versions, one with 20 multiple choice questions and answers and the other has 17 multiple choice questions...
Curated OER
Electron Arrangement and Ion Formation
In this elements worksheet, students determine how electrons fill up the energy levels for the first 18 elements of the periodic table. Students determine if elements gain or lose electrons to form a stable ion. This worksheet has 4...
Curated OER
History of the Periodic Table
Students sort a group of manipulatives and then explain their organizational system to the class. They discuss the work of scientists trying to organize the elements into a system that made sense and the development of the periodic table.
Curated OER
Mole Stuff
In this moles worksheet, students practice calculating the number of moles based on grams of a compound. Students use the rate of reaction equation to determine the rates of specific reactions. This worksheet has 10 problems to solve.
CK-12 Foundation
Ck 12: Physical Science: Atomic Number
[Free Registration/Login may be required to access all resource tools.] Definitions of atomic number and mass number.
CK-12 Foundation
Ck 12: Physical Science: Atomic Number
[Free Registration/Login may be required to access all resource tools.] Definitions of atomic number and mass number.
CK-12 Foundation
Ck 12: Isotopes and Atomic Mass
[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will be asked to define atomic number, mass number and understand how isotopes differ from one another. They will be able...
American Chemical Society
Middle School Chemistry: Periodic Table
Students explore the periodic table and learn the basic information given for elements: the name, symbol, atomic number, and atomic mass for each element.
Khan Academy
Khan Academy: Biology: Chemistry of Life: Atomic Number,atomic Mass,and Isotopes
Learn the fundamental properties of atoms in this article. Understand the definition of atomic number, atomic mass, and isotopes. [6 min, 50 sec]
CK-12 Foundation
Ck 12: Chemistry: Atomic Number
[Free Registration/Login may be required to access all resource tools.] Explains the arrangement of the periodic table.
CK-12 Foundation
Ck 12: Chemistry: Mass Number
[Free Registration/Login may be required to access all resource tools.] Shows the calculation of mass number.
Upper Canada District School Board
Tom Stretton's Advanced Placement Chemistry: Atomic Structure and Periodicity
This chemistry e-textbook provides students with AP-level reading and practice material on atomic structure and periodicity.
Environmental Chemistry
Environmental chemistry.com: Anatomy of an Atom
Explains the basics of atomic structure, from simple definitions to information about quantum theory. Accurate and helpful basics whether or not you need the more advanced information.
Wikimedia
Wikipedia: Atomic Number
Wikipedia provides the definition of the term, "Atomic number," a term used in chemistry and physics to represent the number of protons in the nucleus of an atom.
Vision Learning
Visionlearning: Atomic Theory and Structure: Quantum Numbers and Orbitals
Explanation of advanced atomic theory using The Schrodinger equation.
Soft Schools
Soft Schools: Atomic Structure Quiz
Take an interactive quiz over the atomic structure and number of elements. After completing the quiz, check your score, and then revisit any incorrect question for further review
Crescent Public Schools
The Internet Science Room: Quantum Numbers
Using diagrams, illustrated examples, and student practice this chemistry class tutorial explains quantum numbers.
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: Chemistry: Modern Periodic Table
[Free Registration/Login may be required to access all resource tools.] Periods, groups and the classes of elements in the modern periodic table.