Curated OER
2007 U.S. National Chemistry Olympiad Local Section Exam
Sixty multiple choice questions cover the entire gamut of chemistry concepts. This is the local section of the U.S. National Chemistry Olympiad, where your chemistry candidates take a shot at entering the national competition. They...
Royal Society of Chemistry
Noble Gases
It is best to avoid jokes about noble gases; they get no reaction. Scholars match the noble gases to their symbols and uses. Then they solve three gridlock puzzles reviewing the material while applying some simple logic.
National Institute of Open Schooling
p-Block Elements and Their Compounds – II
Ozone, made of three bonded oxygen atoms, is found 15-30 km above Earth, has a strong smell, is blue, and blocks sunlight from hitting the surface of Earth. The 22nd lesson in a series of 36 specifically focuses on the important elements...
Science Geek
Element Classes
Introduce your young chemists to alkali metals, alkali earth metals, transition metals, metalloids, nonmetals, halogens, and noble gasses with a presentation that explains the classes of elements and a few facts about each.
It's About Time
How Electrons Determine Chemical Behaviors
Lead the class on an investigation as they play detective and locate patterns in the electron arrangement of atoms. During the seventh lesson, they assign valence numbers to elements, organize the periodic table in the correct sequence,...
Curated OER
The Ionic Bond
An introduction to the noble gases shows how full electron shells on an atom makes an element unreactive. Your class will then develop an understanding of how sodium and chlorine react ideally because of their electron arrangement....
Spark Notes
Review of Chemical Bonding: Review Test
This is an online exercise in which chemistry learners answer a series of multiple choice questions about bonding. Topics addressed include ionic and covalent bonds, electronegativity, ions, valence electrons, resonance structure, and...
Mr. E. Science
The Periodic Table
This science presentation focuses on the elements in the periodic table. It begins with the parts of an atom, explaining atomic mass and atomic number, valence electrons, and isotopes. Then it moves on to discuss various ways of...
Curated OER
The Groups and Electron Dot Diagrams
It's all in the family with this presentation! The halogen, alkali metal, and noble gas families are introduced to young chemists along with characteristic properties and colorful diagrams of electron shells. Viewers are then taught how...
Curated OER
The Noble Gases
When breaking down the details of the periodic table of elements, this presentation will explain special characteristics for each of the noble gases. The annotations are quite elementary, so this can easily be used in an introductory...
Curated OER
GCSE Science-CHEMISTRY worksheet on THE NOBLE GASES - Group 0 of the Periodic Table
In this periodic table worksheet students complete a fill in the interactive set of questions using a set of vocabulary words that describe the different elements.
Curated OER
Periodic Table of the Elements: Noble Gases
Students research how neon signs are made and design their own. In this periodic table lesson, students familiarize themselves with the noble gases on the periodic table. They watch a video, research how neon signs are made, and design...
Curated OER
Elements and Bonding Worksheet
In this elements and bonding worksheet, students classify given elements, they identify valence electrons in atoms, they explain the reactivity of elements, and they explain why certain atoms gain electrons while others lose electrons.
Curated OER
The Periodic Table
In this periodic table worksheet, students complete a paragraph containing facts about the periodic table by filling in 18 terms from a word list.
Curated OER
E3 Project
Learners investigate excited electrons. In this chemistry lesson plan, students will go through a series of activities designed to help them understand how excited electrons emit different colors of light.
Curated OER
Families of Elements
In this elements activity, students classify the given elements according to where they are located in the periodic table. This activity has 1 short answer and 4 fill in the blank questions.
Curated OER
AP Chemistry Chapter 9
In this AP Chemistry worksheet, students apply concepts of electron configuration to accurately answer the questions provided. Students also draw Lewis structures of the given elements. Students estimate the enthalpy of formation as well...
Curated OER
The Periodic Table
In this periodic table worksheet, students review the elements and how they are organized in the periodic table. This worksheet has 10 fill in the blank, 6 multiple choice, and 5 short answer questions.
Curated OER
Periodic Table Families
In this periodic table activity, high schoolers complete a graphic organizer by listing the elements in each of the periodic table families.
Curated OER
The Periodic Table of Elements
In this elements learning exercise, students fill in a periodic table with the element symbols, mass numbers, and proton numbers of the elements that are missing.
Royal Society of Chemistry
Royal Society of Chemistry: Gridlocks: Level 2
A collection of grid puzzles that cover a wide variety of topics in intermediate high school chemistry. These are excellent for topic review and reinforcement. The puzzles can be played online and also downloaded as worksheets. Answers...
CK-12 Foundation
Ck 12: History of the Periodic Table
[Free Registration/Login may be required to access all resource tools.] In this online tutorial students will begin to explain the use of chemical and physical properties in the historical development of the Periodic Table. They will be...
Chem4kids
Chem4 Kids: Inert: Noble Gases
This site provides a nice description of the inert gases (noble gases). Content focuses on why they are so "happy," who they are, and their bonding abilities.
Chem4kids
Chem4 Kids: Helium
Here you can find lots of great information about helium. Learn about its electrons, where it exists in nature, and about the element itself!