Chemical bonding

Cards (172)

  • Chemical bonds are strong forces of attraction that hold atoms or ions together in a substance.
  • In a chemical bond, the electrons are shared between the atoms.
  • Chemical bonds can be ionic, covalent, or metalic.
  • Ionic bonds are formed when a positively charged species interacts with a negatively charged species.
  • Covalent bonds are formed when two species share electrons.
  • Electron configuration of ion [Ne] is represented as N/A.
  • Electron gain or loss is represented by the change in ion formation, where a loss is represented by a negative charge and a gain is represented by a positive charge.
  • The number of electrons in valence shells is 37.
  • Group number 121516 is represented by the period 3 elements A and Ar.
  • Write the chemical symbol for the positive ion first and the chemical symbol for the negative ion second.
  • Electron configuration of ion [Ar] is represented as N/A.
  • To identify the positive ion (cation) and the negative ion (anion) in an ionic compound, follow these rules:
  • Each ionic compound is found in a crystal lattice structure.
  • Find the chemical symbol for the ions, either in the periodic table or in the table of polyatomic ions.
  • If you don't know the charge, use the group rule to determine the charge for the present elements and the Roman numbers or superscripts.
  • The chemical formula for ionic compounds is known as a formula unit.
  • Determine the charges of the ions.
  • Metallic bonds are formed when a positively charged species interacts with a negatively charged species.
  • In ionic bonding, the electrons are shared between the atoms.
  • Chemical bonding and structure involve the arrangement of atoms through the sharing of electrons.
  • In covalent bonding, the electrons are shared between the atoms.
  • Covalent bonding occurs when atoms share pairs of valence electrons.
  • The Lewis structures for the following molecules can be drawn: PF5, IF4, XeF6.
  • Below will be able to expand or contract by making use of its energetically accessible, or by lowering d-subshell for binding.
  • In metallic bonding, the electrons are shared between the atoms.
  • B F3 is the bond order in a coordinate covalent bond.
  • C lF4 is the bond order in a coordinate covalent bond.
  • S Cl6 is the bond order in a coordinate covalent bond.
  • Electrostatic attraction is a force between negatively charged and positively charged atoms.
  • Naming and forming compounds for molecular compounds are based on the principle of naming and forming compounds for molecular compounds.
  • Naming conventions for molecular compounds, also known as coordination compounds, are based on the principle of naming and forming compounds for molecular compounds.
  • Covalent bonds can be formed between elements such as O2 or CO2.
  • Covalent bonds form between atoms of relatively high electronegativity, typically non-metals.
  • Delocalized electrons exist in any molecule for which there is more than one possible resonance structure.
  • Delocalized electrons exist in any molecule for which there is more than one possible Lewis structure.
  • In some molecules, delocalized electrons are shared between more than two nuclei and are described as being delocalized.
  • Delocalized electrons give greater stability to a molecule or polyatomic ion.
  • Delocalized electrons exist in any molecule for which there is more than one possible covalent structure.
  • Carbonate, CO32-0, is a pure covalent molecule.
  • Exceptions to the octet rule include very small atoms forming stable compounds with less than 8 valence electrons.