C2- bonding and structure

Cards (47)

  • What type of bonding occurs between metal atoms?
    Metallic bonding
  • What is formed by metallic bonding?
    A lattice or grid of ions
  • What does "delocalized" mean in the context of electrons?
    Electrons are not fixed to one atom
  • Why do metals conduct electricity and heat well?
    Due to free-moving delocalized electrons
  • How do metals bond to non-metals?
    Through ionic bonding
  • What does a group one metal need to do to bond with a group seven atom?
    Lose an electron
  • What happens when a lithium atom bonds with chlorine?
    Lithium donates its outer electron
  • What is a DOT and cross diagram used for?
    To show electron distribution in bonding
  • What must the charges of ions in an ionic compound do?
    Add up to zero
  • What is the chemical formula for lithium chloride?
    LiCl
  • How many chloride ions are needed for beryllium chloride?
    Two chloride ions
  • What is the chemical formula for beryllium chloride?
    BeCl2
  • What do ionic compounds form in a solid state?
    A crystal lattice structure
  • Why do ionic compounds have high melting and boiling points?
    Due to strong electrostatic forces
  • When can ionic compounds conduct electricity?
    When molten or dissolved in solution
  • What is an example of a molecular ion?
    Hydroxide ion (OH⁻)
  • How many hydroxide ions are needed for magnesium hydroxide?
    Two hydroxide ions
  • What is the spelling of sulfate in British English?
    Sulfate with a 'ph'
  • What can any ionic compound be called?
    A salt
  • What is the positive ion in an ionic compound called?
    Cation
  • How are anion names different from their normal names?
    They change to reflect ionic form
  • What is the bonding type between non-metals?
    Covalent bonding
  • How do non-metals bond to form molecules?
    By sharing electrons
  • What is the structural formula for chlorine gas (Cl₂)?
    Two Cl atoms sharing electrons
  • What does each line in a structural formula represent?
    A pair of shared electrons
  • What is a double covalent bond?
    Two pairs of electrons shared
  • What is the number of bonds nitrogen (N₂) makes?
    Three bonds
  • How do simple molecular structures behave?
    They have low boiling points
  • Why can't simple molecular structures conduct electricity?
    They lack free-moving charged particles
  • What is giant covalent bonding similar to?
    The lattice nature of ionic compounds
  • What is diamond an example of?
    A giant covalent structure
  • Why is diamond hard and has a high melting point?
    Due to strong covalent bonds
  • What allows graphite to conduct electricity?
    Delocalized electrons between layers
  • Why can graphite layers slide over each other easily?
    Weak bonds between the layers
  • What are metal alloys stronger than?
    Pure metals
  • What disrupts the regular lattice in metal alloys?
    Differently sized atoms
  • What is graphene?
    A single layer of graphite
  • What is Buckminsterfullerene?
    A spherical structure of 60 carbon atoms
  • What are carbon nanotubes?
    Tubular structures of carbon atoms
  • What is the size range for nanoparticles?
    100 to 2,500 nanometers