Chemistry Chapter 3: Periodic Table Concepts
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Questions and Answers

What is the primary factor that organizes the elements into groups on the periodic table?

  • Density of the elements
  • Atomic mass of the elements
  • Energy levels of the electrons
  • Atomic number and properties of the elements (correct)
  • Which group of elements is characterized as non-reactive gases?

  • Noble Gases (correct)
  • Alkali Metals
  • Halogens
  • Transition Metals
  • Which of the following sublevels has the capacity to hold the greatest number of electrons?

  • p
  • s
  • f (correct)
  • d
  • What characterizes the lanthanide series within the periodic table?

    <p>Shiny metals</p> Signup and view all the answers

    Which quantum number describes the angular shape of an electron's orbital?

    <p>Angular momentum</p> Signup and view all the answers

    What principle states that an electron will occupy the lowest energy orbital available?

    <p>Aufbau Principle</p> Signup and view all the answers

    Which of the following describes the sum of protons and neutrons in an atom?

    <p>Mass number</p> Signup and view all the answers

    According to Hund's Rule, how should electrons be distributed among equal energy orbitals?

    <p>Electrons should fill each orbital singly before pairing</p> Signup and view all the answers

    Which particle is required for an atom to remain electrically neutral?

    <p>Electron</p> Signup and view all the answers

    What term refers to atoms of the same element that have different numbers of neutrons?

    <p>Isotopes</p> Signup and view all the answers

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