924856
Descrição
Mapa Mental por Chuleeporn Thanomsilp, atualizado more than 1 year ago
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Criado por Chuleeporn Thanomsilp
aproximadamente 10 anos atrás
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Ionic bonding
- the electrostatic
attraction between cation and
anion after electron transfer.
- Combined atoms which have a large
difference of electronegativities
- Metal loses electron(s) : cation. Non-metal gains electron(s) : anion.
- Metal loses electron(s) : cation. Non-metal gains electron(s) : anion.
- Ionic compound
- Writing formula by
write cation followed
by anion and
balance the charge.
- Naming compounds by name cation
followed by anion ended with -ide. If the
compounds consists polyatomic ions,
use the name of polyatomic ions
- Cation + Anion
- can be polyatomic ions
- can be polyatomic ions
- Ionic radius
- Cation is smaller than
its corresponding atom.
- Anion is larger than its
corresponding atom.
- Cation is smaller than
its corresponding atom.
- Writing formula by
write cation followed
by anion and
balance the charge.
- Born-Haber Cycle
- Energies involve in forming
ionic compounds.
- Ionization energy : metal loses electron(s). (step 3)
- Electron Affinity : non-metal gains electron(s). (step 4)
- Lattice energy : energy released from
combination of cation and anion. (step 5)
- Definition: Lattice energy is the energy
needed to separate an ionic solid into
isolated ions in the gas phase.
- Lattice energy depends on
size and charge of ions.
- Lattice energy determines the
strength of ionic bonds and
solubility of ionic compounds.
- Definition: Lattice energy is the energy
needed to separate an ionic solid into
isolated ions in the gas phase.
- Ionization energy : metal loses electron(s). (step 3)
- Energies involve in forming
ionic compounds.
Anexos de mídia
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