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Atoms and The Periodic Table Review

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  • What is the name for group 18 elements?
    Noble Gases
  • Which types of atoms are poor conductors, dull, and found to the right of the staircase?
    nonmetals
  • What is the name for group 17 elements?
    Halogens
  • Fill in the missing information.
    BoronAtomic #- 5Atomic Mass- 11# protons- 5# neutrons- 6# electrons- 5
  • What is the charge of a neutron?
    0 (neutral)
  • What is a row on the periodic table called?
    period
  • Which particles are found in the cloud that surrounds the nucleus?
    electrons
  • What is the charge of a proton?
    +1
  • What are the smaller particles called that make up both protons and neutrons?
    quarks
  • What is the name for the group 1 elements?
    Alkaline Metals
  • What are valence electrons?
    Electrons that are found in the outermost energy level of an atom.
  • What is a column on the periodic table called?
    group or family
  • Which particles are found in the nucleus?
    protons and neutrons
  • How is the number of protons for an atom determined?
    Look at the atomic number on the periodic table.
  • Which type of atoms are shiny, good conductors, and found to the left of the staircase?
    metals
  • What does the group number tell about an atom?
    The number of valence electrons present.
  • Round the atomic mass of Iron (Fe) to the nearest whole number. 55.845
    56
  • How is mass number for an atom determined?
    number of protons + number of neutrons OR atomic number + number of neutrons
  • What is the charge of an electron?
    -1
  • What is the name for the group 2 elements?
    Alkaline Earth Metals