chem unit 2
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24 Terms
who conducted the first gold foil experiment
rutherford
who conducted the cathode-ray experiment
thomson
who found that electrons travel in orbits outside the nucleus
bohr
who discovered the neutron
chadwick
who discovered that the exact location of an election cannot be known
heiesenberg
who discovered that there is a small, dense, positively charged nucleus
rutherford
who discovered the electron
thomson
who discovered atoms are uncuttable
democritus
who coined the term atomos
democritus
who discovered that elements combine in compounds in specific proportions
democritus
who discovered that electrons are found in the election cloud not in orbits
shrodinger
whose discovery led to the creation of the plum pudding model
democritus
who discovered that all atoms of the same element are exactly alike
democritus
who discovered that atom are made up of mostly empty space
rutherford
democritus atomic model
thomson atomic model
rutherford atomic model
bohr atomic model
who did the gold foil experiment
rutherford
atomic number tells
the number of positively charged protons
mass number tells
total number of protons and neutrons in the nucleus
isotopes
same element with different number of neutrons, different mass numbers
ions
same element, different electrons, positive or negative charge