Ionic Bonding
Chemistry ⇒ Chemical Bonding and Structure
Ionic Bonding starts at 8 and continues till grade 12.
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Describe the effect of ionic charge and ionic radius on the strength of an ionic bond.
Describe the process of ionic bond formation between sodium and chlorine atoms.
Describe the role of lattice energy in the stability of ionic compounds.
Explain why ionic compounds are usually soluble in water.
Explain why ionic compounds do not conduct electricity in the solid state.
Explain why LiF has a higher lattice energy than CsI.
Explain why magnesium oxide (MgO) has a higher melting point than sodium chloride (NaCl).
Explain why the ionic radius of Na+ is smaller than that of Na atom.
Which of the following best describes an ionic bond?
(1) A bond formed by sharing electrons
(2) A bond formed by the transfer of electrons
(3) A bond formed by overlapping orbitals
(4) A bond formed by delocalized electrons
Which of the following best describes the electron transfer in the formation of MgCl2?
(1) Mg gains two electrons from Cl
(2) Mg loses two electrons to two Cl atoms
(3) Cl loses electrons to Mg
(4) No electron transfer occurs
Which of the following best describes the structure of a typical ionic compound?
(1) Discrete molecules
(2) Giant lattice
(3) Linear chains
(4) Layered sheets
Which of the following best explains why ionic compounds are brittle?
(1) The ions are free to move
(2) Like charges repel when layers shift
(3) The lattice is flexible
(4) The bonds are weak
Ionic compounds conduct electricity when ________ but not when ________.
The charge on the ion formed by an atom of calcium is ________.
The electrostatic force of attraction between oppositely charged ions is called an __________ bond.
The empirical formula of the ionic compound formed between Fe3+ and SO42- is ________.
State whether the following statement is true or false: Ionic bonds are directional in nature.
State whether the following statement is true or false: The formation of ionic bonds always results in a decrease in potential energy of the system.
True or False: All ionic compounds are soluble in water.
True or False: Ionic compounds generally have high melting and boiling points.
