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Nutron
Neutral part of the nucleus
Proton
positive part of the nucleus; atomic number
Electron
negatice charge outside of the nucleus; lightest subatomic particle
Democritns/ Luicipus
First to thing of an atom
Atomos
Uncutable
Democritns
Whose model?
John Doltan
Made an expirement to prove atoms make up matter
J.J. Thompson
Found electrons and protons
J.J. Thompson
Who made the plum putting model
Erunst Ruffufer
Father of nuclear physics, made the positive nuclues model
Erunst Ruffufer
Which model?
Niels Bohr
Found that electrons spin lik planets
Niels Bohr
Which model?
Erwin Schrödiger
Found that electrons buzz around
Erwin Schrödiger
Which model?
James Chadivide
Found the neutron in the nucleus
Mass-number^Na,atomic # of protons^Net charge
How they are set up
Mass number =
protons+neutrons
atomic number =
protons
Net charge=
difference between # of protons and # of electrons
isotopes
atoms of the same element with different numbers of neutrons
Red on pt table
gasses
blue on pt table
liquids
black on pt
solids
Note
Flashcard