CH3
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Questions and Answers

What is the smallest constituent unit of matter that has all the properties of the chemical element?

  • Neutron
  • Electron
  • Proton
  • Atom (correct)
  • Which part of the atom contains most of the mass?

  • Nucleus (correct)
  • Electrons
  • Protons
  • Neutrons
  • What dictates the identity of an atom?

  • Atomic number (correct)
  • Mass number
  • Number of neutrons
  • Number of electrons
  • How are protons and neutrons organized within an atom?

    <p>Protons are found in the nucleus</p> Signup and view all the answers

    What is the function of neutral neutrons in the nucleus of an atom?

    <p>Stabilize the nucleus</p> Signup and view all the answers

    What does atomic notation help to keep track of in an atom?

    <p>Atomic number and mass number</p> Signup and view all the answers

    What does the superscript 'A' designate in atomic notation?

    <p>Total number of protons and neutrons</p> Signup and view all the answers

    In a neutral atom, what is equal to the number of protons (p+)?

    <p>Number of electrons (e-)</p> Signup and view all the answers

    What determines the chemical properties of an atom?

    <p>Number of electrons surrounding the nucleus</p> Signup and view all the answers

    What are isotopes?

    <p>Atoms with the same number of protons but different numbers of neutrons</p> Signup and view all the answers

    Which subatomic particle is a negatively charged particle?

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

    Why do atoms interact due to unlike charges attracting each other?

    <p>To achieve stability</p> Signup and view all the answers

    Which group in the Periodic Table is known as Alkali Metals?

    <p>Group 1A</p> Signup and view all the answers

    What type of elements are most elements on the Periodic Table?

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

    In terms of electron behavior, what do metals tend to do?

    <p>Lose electrons and become positive ions</p> Signup and view all the answers

    What is unique about the chemical abbreviation in some cases?

    <p>It bears no apparent relationship to the name</p> Signup and view all the answers

    Which group in the Periodic Table contains the Noble Gases?

    <p>Group 8A</p> Signup and view all the answers

    What is the characteristic of nonmetals in terms of electron behavior?

    <p>Gain electrons and become negative ions</p> Signup and view all the answers

    What is the purpose of a Lewis Dot Structure in chemistry?

    <p>To keep track of the outer shell electrons involved in bonding</p> Signup and view all the answers

    In a Covalent Bond, what type of sharing occurs between atoms?

    <p>Sharing of outer-shell electrons</p> Signup and view all the answers

    What drives most chemical reactions according to the text?

    <p>The electronic configuration of a Noble gas</p> Signup and view all the answers

    In the compound sodium chloride, which element gives up an electron to become more like Neon?

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

    What electronic configuration do two fluorine atoms achieve when they combine?

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

    In a diatomic compound with perfect covalent bonding, what does the single line between atoms represent?

    <p>A single bond</p> Signup and view all the answers

    Why are Noble Gases considered the most stable elements?

    <p>They have a full valence shell</p> Signup and view all the answers

    What is the driving force behind all chemical bonding?

    <p>The need for atoms to have a filled octet</p> Signup and view all the answers

    Why is the Ionic Bond better described as an electrostatic attraction?

    <p>It involves the transfer of electrons</p> Signup and view all the answers

    What is the significance of Lanthanides and Actinides being emitted for clarity?

    <p>To highlight their radioactive properties</p> Signup and view all the answers

    Why do Nitrogen (N) and Oxygen (O) exhibit jealousy towards Noble Gases?

    <p>Both N and O have incomplete valence shells</p> Signup and view all the answers

    What does the number in front of 'A' represent in the context of Chemistry?

    <p>The number of valence electrons in Group 16 elements</p> Signup and view all the answers

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