PS 4 Periodic Table Survey
Name: 


A red asterisk (*) indicates required questions.

  1. Scientists create models for all the following reasons except________.*
    to explain observations about objects that are too small to see
    because models always result in scientific laws
    because models can be changed when new information is collected
    to represent objects that are too large to comprehend


  1. Which scientist had a theory that stated that atoms were small particles that could not be created, divided or destroyed?
    John Dalton
    John Thomson
    Ernest Rutherford
    Niels Bohr


  1. Which of the following scientists discovered the atom's positive nucleus?
    John Thomson
    Niels Bohr
    Ernest Rutherford
    John Dalton


  1. The Modern Atomic Theory is different from previous models because the modern model states_________.
    electrons are scattered inside the positively charged nucleus
    electrons exist in a "cloud" around the nucleus
    only protons are found in the nucleus
    neutrons orbit the electrons


  1. Which of the following scientist discovered the electron?
    Niels Bohr
    John Dalton
    Ernest Rutherford
    John Thomson


  1. Which of the following scientist suggested that the atom's electrons orbit the nucleus in definite paths?
    Ernest Rutherford
    John Thomson
    John Dalton
    Niels Bohr


  1. Which of the following lists the atom's subatomic particles and their charges?
    protons (−) electrons (+) neutrons (0)
    protons (+) electrons (−) neutrons (0)
    protons (+) electons (0) neutrons (−)
    protons (0) electrons (−) neutrons (+)


  1. The nucleus of an atom is made of ___________
    atoms and protons
    protons and neutrons
    neutrons and electrons
    electrons and atoms


  1. Most of the atomic mass is made up of __________________.
    atoms and protons
    electrons and atoms
    protons and neutrons
    neutrons and electrons


  1. The number 14.007 shown above is the element’s ____.
    Atomic Mass
    Atomic Number
    Element Name
    Chemical Symbol


  1. The particles outside the nucleus are _________.
    protons
    electrons
    atoms
    neutrons


  1. The columns of elements in the periodic table are called___________.
    groups
    transitions
    periods
    towers


  1. The rows of elements in the periodic table are called___________.
    groups
    periods
    towers
    transitions





Mr. Schneider
New Dominion Alternative