Atomic Theory
3 years ago
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10 QuestionsShow answers
  • Question 1
    30 seconds
    Q. "Everything is composed of atoms" was stated by:
    answer choices
    Democritis
    Dalton
    Moseley
    Einstein
  • Question 2
    30 seconds
    Q. John Dalton stated:
    answer choices
    elements are made of atoms
    atoms of a given element are identical
    atoms cannot be subdivided, created, nor destroyed
    all of the above
  • Question 3
    30 seconds
    Q. The scientist responsible for "discovering" the nucleus is:
    answer choices
    Bohr
    Rutherford
    Schroedinger
    Einstein
  • Question 4
    30 seconds
    Q. The nucleus of an atom can be described as:
    answer choices
    spacious and negatively charged
    dense and positively charged
    spacious and positively charged
    dense and negatively charged
  • Question 5
    30 seconds
    Q. Electrons are not factored into atomic mass because:
    answer choices
    They are so small their mass is negligible
    They're not in the nucleus
    They're too big
    They move so quickly their mass is zero
  • Question 6
    30 seconds
    Q. How did Rutherford discover the proton?
    answer choices
    Cathode tube ray experiment
    Gold Foil Experiment
    Planetary Model
    Plum Pudding Model
  • Question 7
    30 seconds
    Q. What does the nucleus of an atom contain?
    answer choices
    Electrons and neutrons
    Protons and neutrons
    Neutrinos and positrons
    DNA and RN
  • Question 8
    300 seconds
    Q. True or False: The majority of an atom is made up of empty space
    answer choices
    True
    False
  • Question 9
    30 seconds
    Q. The word "atom" comes from a Greek word that means
    answer choices
    Invisible
    Indivisible
    Undivided
  • Question 10
    30 seconds
    Q. Electrons can be found in
    answer choices
    The protons
    The nucleus
    Electron Clouds
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