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Science B 15,16,17

Science

QuestionAnswer
Proton (P+) Positive charge\1 atomic mass unit
Neutron N^o No charge\1 atomic mass unit
Electron Negative Charge\ Mass
Ion-Number Doesn't equal the # of neutrons
Democritus Atom can not be divided. All matter is composed of atoms.
John Dalton All Substances are made of atoms. Atoms of the same element are exactly the same
J.J Thomson Cathode Ray Tube. Firs to Isolate the sub atomic particle
Ernest Rutherford Atomic shooting gallery. Atom (has) an eternal structure
Bohr (Modern Theory) c Electrons orbit the nucleus. Cant travel between levels
Created by: madkomrad
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