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Atomic Structure & Periodic Table Skills Unit 2

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  • What does the atomic number tell you?
    Atomic mass
    Number of protons
    Number of energy levels
    Number of neutrons
  • What happens when an atom becomes a cation?
    It becomes neutral
    It gains electrons
    It loses electrons
    It gains neutrons
  • Which group contains very unreactive elements?
    Halogens
    Noble gases
    Alkali metals
    Alkaline earth metals
  • Which subatomic particle has a positive charge?
    Proton
    Electron
    Nucleus
    Neutron
  • What charge does an anion have?
    Positive
    Neutral
    Negative
    Variable
  • Why do atoms form ions?
    To become more stable
    To change their atomic number
    To increase atomic mass
    To change element identity
  • Which block contains most metals?
    s-block
    p-block
    f-block
    d-block
  • What is an ion?
    An atom with extra neutrons
    A neutral atom
    An atom that gains or loses electrons
    A type of molecule
  • Which pattern explains how strongly an atom attracts electrons?
    Electronegativity
    Ionization
    Electron affinity
    Atomic radius
  • Where are electrons found in an atom?
    In the nucleus
    In the electron cloud
    In the center only
    In the atomic mass
  • Which two particles are usually equal in a neutral atom?
    Ions and atoms
    Protons and electrons
    Neutrons and electrons
    Protons and neutrons
  • What does atomic radius describe?
    The size of an atom
    How heavy an atom is
    How reactive an atom is
    The charge of an atom
  • Which subatomic particle has no charge?
    Ion
    Neutron
    Proton
    Electron
  • What do periods on the periodic table represent?
    Element families
    Columns
    Types of bonds
    Rows
  • Elements in the same group or family have:
    Similar properties
    The same number of neutrons
    The same atomic mass
    The same block only
  • What information can you find on an element’s square?
    Element name
    All of the Above
    Atomic mass
    Element symbol and number
  • Electron affinity describes how easily an atom:
    Loses neutrons
    Loses protons
    Gains electrons
    Changes blocks
  • Why do elements in the same group behave similarly?
    They are in the same block only
    They are in the same period
    They have similar electron arrangements
    They have the same atomic mass
  • What determines the identity of an element?
    Number of electrons
    Number of protons
    Atomic mass
    Number of neutrons
  • How does an element’s location on the periodic table help scientists?
    It predicts properties and behavior
    It determines element color
    It shows temperature
    It shows atomic weight only
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