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924856
Ionic bonding
Descrição
University first year GeneralChemistry1 (Chemical Bonding) Mapa Mental sobre Ionic bonding, criado por Chuleeporn Thanomsilp em 24-05-2014.
Sem etiquetas
cation
anion
ionic compound
generalchemistry1
chemical bonding
university first year
Mapa Mental por
Chuleeporn Thanomsilp
, atualizado more than 1 year ago
Mais
Menos
Criado por
Chuleeporn Thanomsilp
mais de 10 anos atrás
141
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0
Resumo de Recurso
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.
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
Ionic radius
Cation is smaller than its corresponding atom.
Anion is larger than its corresponding atom.
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.
Anexos de mídia
lewisionic (image/jpg)
bornhaber.gif (image/gif)
ionic_radius_Ebbing_p_339 (image/jpg)
formula_ionic_compound (image/jpg)
name_ionic_compounds (image/jpg)
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