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Ionic Compounds
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chemical bond
force that holds two atoms together
cation
positively charged particle
give electrons
anion
negatively charged particle
take electrons
ionic bond
electrostatic attraction between oppositely charged particles
ion
charged particle
main idea of ionic compounds
give and take valence electrons
ionic bond of hydrogen
+1/-1
ionic bond of atom with 1 valence electron
+1
ionic bond of atom with 2 valence electrons
+2
ionic bond of atom with 3 valence electrons
+3
ionic bond of atom with 4 valence electrons
+/- 4
ionic bond of atom with 5 valence electrons
-3
ionic bond of atom with 6 valence electrons
-2
ionic bond with 7 valence electrons
-1
rule for writing formulas for ionic compounds
needs to be neutral lowest whole number ratio
properties of ionic compounds
1. high m.p. & b.p.
2. hard, solid at room temperature
3. form crystal lattice structure
4. form electrolytes when dissolved in water
what occurs with an ionic compound when it is dissolved in water?
atoms become seperate and free
polyatomic ion
ion made up of mroe than one atom
oxidation state
positive charge of an ion
Author:
ht2lvu
ID:
3826
Card Set:
Ionic Compounds
Updated:
2010-01-13 06:26:31
Tags:
ionic compounds chemistry
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Description:
Basic chemistry on ionic compouds & etc.
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