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Four students are developing a model to illustrate covalent and ionic substances dissolving in
water. They each write down what they think is the most important difference between
covalent and ionic compounds dissolving in water. Which student has the best understanding
of what the model needs to illustrate?

Respuesta :

The students with ionic bonds have a better understanding of what the model needs to illustrate.

Explanation:

  • When ionic compounds dissolve in water, they break apart into the ions that make them up through a process called dissociation.
  • When placed in water, the ions are attracted to the water molecules, each of which carries a polar charge.
  • If the force between the ions and the water molecules is strong enough to break the bonds between the ions, the compound dissolves.
  • The ions dissociate and disperse in solution, each ringed by water molecules to prevent reattachment.
  • The ionic solution turns into an electrolyte, meaning it can conduct electricity.
  • While covalent compounds dissolve in water they break apart into molecules, but not individual atoms.
  • Water is a polar solvent, but covalent compounds are usually nonpolar.
  • This means covalent compounds typically don't dissolve in water, instead making a separate layer on the water's surface.

The student in the model possessing the better understanding of bonds has been the ionic bond.

The covalent compounds have been formed by the sharing of electrons between the atoms. The ionic compounds have been the formed by the transfer of electrons in between the atoms.

Difference between Ionic and Covalent compounds:

The difference between ionic and covalent compound has been given as follows:

  • The ionic compounds have been formed by the transfer of electrons, while covalent compounds are formed by the sharing of electrons.

  • The ionic compounds have been dissociated into the constituent ions in water. The covalent compound has been dissociated into molecules.

  • The ionic compounds are polar in nature, and the strength of ionic character has been dependent on the interaction between the bonds. The covalent bond has been independent of the polar nature of the compound.

The student in the model possessing the better understanding of bonds has been the ionic bond.

For more information about ionic bond, refer to the link:

https://brainly.com/question/9167977

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