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  • Bohr Model
Biology
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CC BY
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Biology is designed for multi-semester biology courses for science majors. It is grounded on an evolutionary basis and includes exciting features that highlight careers in the biological sciences and everyday applications of the concepts at hand. To meet the needs of today’s instructors and students, some content has been strategically condensed while maintaining the overall scope and coverage of traditional texts for this course. Instructors can customize the book, adapting it to the approach that works best in their classroom. Biology also includes an innovative art program that incorporates critical thinking and clicker questions to help students understand—and apply—key concepts.

Subject:
Life Science
Biology
Material Type:
Full Course
Provider:
Rice University
Provider Set:
OpenStax College
Date Added:
08/22/2012
Biology, The Chemistry of Life, The Chemical Foundation of Life, Atoms, Isotopes, Ions, and Molecules: The Building Blocks
Conditional Remix & Share Permitted
CC BY-NC
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By the end of this section, you will be able to:Define matter and elementsDescribe the interrelationship between protons, neutrons, and electronsCompare the ways in which electrons can be donated or shared between atomsExplain the ways in which naturally occurring elements combine to create molecules, cells, tissues, organ systems, and organisms

Subject:
Applied Science
Life Science
Biology
Material Type:
Module
Provider:
Rice University
Provider Set:
OpenStax College
Date Added:
07/10/2017
Remix
Biology, The Chemistry of Life, The Chemical Foundation of Life, Atoms, Isotopes, Ions, and Molecules: The Building Blocks
Conditional Remix & Share Permitted
CC BY-NC-SA
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By the end of this section, you will be able to:Define matter and elementsDescribe the interrelationship between protons, neutrons, and electronsCompare the ways in which electrons can be donated or shared between atomsExplain the ways in which naturally occurring elements combine to create molecules, cells, tissues, organ systems, and organisms

Subject:
Applied Science
Life Science
Biology
Material Type:
Module
Provider:
Rice University
Provider Set:
OpenStax College
Author:
Tina B. Jones
Date Added:
08/26/2019
Bohr model energy levels
Conditional Remix & Share Permitted
CC BY-NC-SA
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Calculating electron energy for levels n=1 to 3. Drawing a shell model diagram and an energy diagram for hydrogen, and then using the diagrams to calculate the energy required to excite an electron between different energy levels. Created by Jay.

Subject:
Physics
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Association of American Medical Colleges
Author:
James Luer
Date Added:
06/17/2014
Bohr model energy levels (derivation using physics)
Conditional Remix & Share Permitted
CC BY-NC-SA
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Using classical physics to calculate the energy of electrons in Bohr model. Solving for energy of ground state and more generally for level n. Created by Jay

Subject:
Physics
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Association of American Medical Colleges
Author:
James Luer
Date Added:
06/17/2014
Bohr model radii (derivation using physics)
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CC BY-NC-SA
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Using classical physics and vectors, plus assumption that angular momentum of electron is quantized, to derive the equation for Bohr model radii. Created by Jay.

Subject:
Physics
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Association of American Medical Colleges
Author:
James Luer
Date Added:
06/17/2014
Build an Atom
Unrestricted Use
CC BY
Rating
4.66666666667 stars

Build an atom out of protons, neutrons, and electrons, and see how the element, charge, and mass change. Then play a game to test your ideas!

Subject:
Chemistry
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Jack Barbera
John Blanco
Kathy Perkins
Kelly Lancaster
Patricia Loeblein
Robert Parson
Sam Reid
Suzanne Brahmia
Date Added:
07/13/2011
Models of the Hydrogen Atom
Unrestricted Use
CC BY
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How did scientists figure out the structure of atoms without looking at them? Try out different models by shooting light at the atom. Check how the prediction of the model matches the experimental results.

Subject:
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Chris Malley
Kathy Perkins
Michael Dubson
Mindy Gratny
Sam McKagan
Wendy Adams
Date Added:
01/01/2007