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contains protons (+) and neutrons (neutral).
Electrons
Atomic mass
John Dalton
Nuclues
Rutherford
Bohr
Democritus
Atomic number
Proposed that you would end up with an “uncuttable” particle. He called this particle an atom (from the greek word atomos – meaning indivisible)
Electrons
Atomic mass
John Dalton
Nuclues
Rutherford
Bohr
Democritus
Atomic number
represents the number of protons or electrons an element has
Electrons
Atomic mass
John Dalton
Nuclues
Rutherford
Bohr
Democritus
Atomic number
orbit the nucleus of the atom. Electrons have a negative charge
Electrons
Atomic mass
John Dalton
Nuclues
Rutherford
Bohr
Democritus
Atomic number
Suggested that electrons travel around the nucleus in definite paths. States that electrons can jump between levels
Electrons
Atomic mass
John Dalton
Nuclues
Rutherford
Bohr
Democritus
Atomic number
represents the mass of the protons + neutrons
Electrons
Atomic mass
John Dalton
Nuclues
Rutherford
Bohr
Democritus
Atomic number
Atomic Theory
Electrons
Atomic mass
John Dalton
Nuclues
Rutherford
Bohr
Democritus
Atomic number
“Atomic Shooting Gallery” He aimed positively charged particles at a thin sheet of gold foil.
Electrons
Atomic mass
John Dalton
Nuclues
Rutherford
Bohr
Democritus
Atomic number
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