Curated OER
Bohr Energy Level Diagrams for Atoms
For this Bohr model worksheet, students draw 16 diagrams given atoms in the periodic table and must show the energy level diagrams indicating the electrons in each energy level.
Curated OER
Bohr Energy Level Diagrams for Ions
In this Bohr model learning exercise, students draw Bohr energy level diagrams for 14 ions. They draw the electrons in the outer orbitals and indicate the charges on the ions.
Curated OER
Jeopardy 8th Grade (Science)
There are so many topics touched upon in this Jeopardy-style science game, that it is difficult to classify! The categories include electricity, matter, ecology, earth and space, and scientific investigation. This would best be used at...
Curated OER
Where are the Electrons?
In this electrons worksheet, students complete a graphic organizer to show the pattern of the principal energy levels, number of orbitals, and electrons in each sublevel of atoms.
Curated OER
Electron Arrangement and Ion Formation
In this elements worksheet, learners 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
Electron Structure of the Atom
In this atoms worksheet, students determine the energy difference between levels and draw diagrams of the different types of orbitals. Students determine the ground state electron configuration for given elements. This worksheet has 14...
Curated OER
Electromagnetic Radiation and the Bohr Atom
In this light worksheet, students calculate the frequency and wavelength. Students practice applying Planck's constant and determining the energy of a photon. This worksheet has 9 problems to solve.
Curated OER
The Story of the Atom
In this atom instructional activity, students read about the model of the atom developed by Neils Bohr. Students complete 2 short answer questions based on what they read.
Curated OER
Boron and Oxygen Atoms
For this atom molecule worksheet, students will use a boron atom diagram to answer three fill-in-the-blank questions. Then students will label the protons, neutrons, and electrons on an oxygen atom diagram.
Curated OER
Sleuth Rays
Students conduct a close examination of the atom's electrons, and discover how to theorize the energy levels, observe the brightness of light, classify colors, and measure temperature.
Chemistry Collective
Chem Collective: Spectroscopic Simulator
A simulation of the vibrational/rotational spectrum of a diatomic molecule (for physical chemistry courses). This simulation of an infra-red spectrometer allows students to adjust the experimental and molecular parameters and observe the...
Michael Blaber, PhD
Florida State University: The Bohr Model of the Atom
A well designed clear tutorial explaining the energies involved in the Bohr model of the atom. Illustrations add to the clearly presented equations.
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.
Concord Consortium
Concord Consortium: Stem Resources: Semiconductors
Several visualizations that help students understand the basic properties of semiconductors. Students can turn a silicon crystal into an insulator or a conductor, investigate the probability waves of an electron, and make a depletion...
University of Colorado
University of Colorado: Physics 2000: Energy Levels
This site describes the energy levels of atoms.
Science Education Resource Center at Carleton College
Serc: Quantum Atomic Structure
This multi-day lesson plan helps learners to understand how the models of the atom have changed and how quantum mechanics affects the electrons as they orbit the nucleus.
University of Oregon
University of Oregon: Pauli Exclusion Principle
This site from the University of Oregon tells of the basic ideas behind the Exclusion Principle, developed by Wolfgang Pauli.
CK-12 Foundation
Ck 12: Physical Science: Electrons
[Free Registration/Login may be required to access all resource tools.] Explores electrons and their place in atoms.
Chem4kids
Chem4 Kids: Atoms: Orbitals
The website provides an explanation of the electrons' position in their orbitals as they spin around the nucleus. Quantum theory is also explored by explaining that the exact location of a specific electron is a not exact but a guess.
BBC
Bbc: Gcse Bitesize: What Does the Periodic Table Tell Us About the Elements?
The number of protons in the atom of an element determines its place in the Periodic Table. The number of electrons in an atom is the same as the number of protons. These electrons are arranged in shells or 'energy levels' around the...
Concord Consortium
Concord Consortium: Stem Resources: The Quantum Basics of Electrons
Simulations that show the concepts of probability distribution and the behavior of electrons that will help students understanding of quantum mechanics. Students will learn about electrons movement when they are in an excited state. At...
Centers for Disease Control and Prevention
Centers for Disease Control: Bam! Your Body: The Energy Equation
Play these fun interactive games to learn how food plus sleep plus physical activity equals energy.
Lawrence Berkeley National Laboratory
Berkeley Lab: Measuring Energy Levels
This Guide to the Nuclear Wallchart is an online textbook geared to teachers. Each topic related to nuclear energy is isolated into various topics. This particular chapter explains how to measure nuclear energy levels.