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PROPERTIES OF IONIC COMPOUNDS
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FORM IONIC LATTICES Ex. NaCl one-to-one ratio Na:Cl = 1:1
Results: crystal lattice Cubic Structure
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FORM IONIC LATTICES Ionic bonds are strong
Require a lot of energy to break Result: high MP’s and BP’s Compound MP (oC) BP(oC) NaI KBr CaCl >1600 NaCl MgO
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ATTRACTION BETWEEN IONS DECREASES AS DISTANCE BETWEEN THE IONS INCREASES
WHAT HAPPENS TO MP’s AS THE SIZE OF ONE OF THE IONS INCREASES? WHY? Compound MP (oC) KF 858 KCl 770 KBr 734 KCl 681
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