Respuesta :
Considering the definition of ionic bonding, the correct answer are:
- If a compound forms by ionic bonding, the option B. "Several ions group together in a tightly packed structure." is not true.
- The only property listed that is not characteristic of ionic compounds is option B. lack of crystal structure.
An ionic bond is produced between metallic and non-metallic atoms, where electrons are completely transferred from one atom to another.
During this process, one atom loses electrons and another one gains them, forming ions. Usually, the metal gives up its electrons forming a cation to the nonmetal element, which forms an anion.
In summary, a positively charged atom or group of atoms attracts a negatively charged atom or group of atoms.
So any ionic compound will have a net charge of zero because cations and anions must always combine in such a way that their charges cancel.
On the other hand, the cations and anions formed are then held together by electrostatic attraction, forming a highly ordered crystal lattice. That is, a crystalline structure is formed where the ions are arranged and packed in an orderly way.
In summary, the correct answer are:
- If a compound forms by ionic bonding, the option B. "Several ions group together in a tightly packed structure." is not true.
- The only property listed that is not characteristic of ionic compounds is option B. lack of crystal structure.
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