Queen+Carley

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1.History of the Atom (5pts)
 * Find out the important scientists who contributed to our current knowledge of the atom.
 * Find out the important experiments that were used to make breakthrough discoveries.
 * Include years of each discovery/experiment so we can get an idea of how long this process has taken.

Answers: HISTORY OF THE ATOM: Google JJ Johnson -contributed to our current knowledge of the atom. -discovered electrons

John Dalton -Contributed to our current knowledge of the atom. -Came up with the atomic weights of an atom.

1.Atomic Structure (5pts)
 * What are the different parts of the atom?
 * What are the different particles that make up the atom?
 * Where are they located?
 * What makes atoms of different elements different?

Answers: ATOMIC STRUCTURES: Google -electrons, protons and neutrons -electrons, protons and neutrons -they are located in the center of the atom -because of the number of protons that they contain.