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Protons were next to be discovered and eventually it was determined that they were clustered at the center of the atom in the nucleus.
State Standards
Ernest Rutherford
The thrid and final subatomic particle is the neutron. They also are found in the nucleus of the atom.
Electrons are the smallest sub atomic particle. They were also the first particle to be discovered.
James Chadwick
Keystone Anchors- Chemistry
CHEM.A.2.1 - Explain how atomic theory serves as the basis for the study of matter.
CHEM.A.2.1.1 - Describe the evolution of atomic theory leading to the current model of the atom based on the works of Dalton, Thomson, Rutherford, and Bohr.
CHEM.A.2.2 - Describe the behavior of electrons in atoms
Pennsylvania State Science Assessment Anchor
S11.C.1.1.1 - 1. Explain that matter is made of particles called atoms and that atoms are composed of even smaller particles (e.g., proton, neutrons, electrons).
J.J. Thomson
Students will use this presentation to gain background knowledge for understanding chemical behavior. The discovery of and subsequent description of the atom and its sub-particles is very important to the development of more complex chemical concepts. This multimedia presentation can be used as an instructional aide or as a student center. It could also be used to provide support for IEP students or students that were absent for the lesson. The presentation is a very visual and audio based interpretation of the material and it will be best suited to help students with strengths in those areas.
The nucleus is the center of the atom and houses both the protons and neutrons, its discovery was a major breakthrough in determining atomic structure.
In 1808, Dalton's Atomic Theory explained the nature of materials.
You are listening to Sylvia T. Ceyer lecture on Dalton's Atomic Theory, recorded by Massachusetts Institute of Technology.
John Dalton
Jennifer Neiman EDIM 508
Once the nucleus was identified the only part of the atom left to describe was where the electrons were in respect to the other parts.
A music video to summarize what you have learned.
Ceyer, S. T., (2009, February 10). Lecture 1: Atomic Theory of Matter. [audio file]. Retrieved from http://videolectures.net/mit5111f05_ceyer_lec01/
Distribution Access, (2007). History of the Atom: Part 02. [Full Video]. Available from http://app.discoveryeducation.com/player/view/assetGuid/5AC2E30B-E061-4C52-9659-41F0B5640655
ElChemistDiablo. (2013). Atomic Chemistry (Gangnam Style)[Video file]. Retrieved from https://www.youtube.com / watch?v=60xALxIL8gc.
Images from Google Images within Prezi (commercial license)