IB Chem Period Trends and Period 3 Reactions Topic 3.2
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10 Terms
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Metals
low electronegativity
OH bond is polar covalent
XO bond is ionic and easily dissociated in H2O
OH ion is lost
Solution is basic
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Non-metal
high electronegativity
OH bond is polar covalent
XO bond is covalent and less polar
H+ ion is lost
Solution is acidic
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Properties of Na2O
Ionic
Basic
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Chemical reaction of Na2O
Na2O(s)+H2O(l)-->NaOH(aq)
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Properties of Mg(OH)2
Ionic
Basic
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Chemical reaction of Mg(OH)2
MgO(S)+H2O(l)-->Mg(OH)2(aq)
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Properties of P2O5
Polar Covalent
Acidic
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Chemical reaction of P2O5
P4O10(S)+6H2O(l)-->H3PO4
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Properties of SO3
Polar covalent
Acidic
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Chemical reaction of SO3
SO3(g)+H2O(l)-->H2SO4(aq)
Note 
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