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chemistry unit 3

unit 3

QuestionAnswer
charge of group 1A +1
charge of group 2A +2
charge of group 3A +3
charge of group 4A -/+ 4
charge of group 5A -3
charge of group 6A -2
charge of group 7A -1
charge of group 8A 0
exceptions to charge silver Ag is ALWAYS +1
exceptions to charge zinc Zn is ALWAYS +2
ammonium (NH4)+1
acetate (C2H3O2)-1
chlorate (ClO3)-1
nitrate (NO3)-1
nitrite (NO2)-1
hydroxide (OH)-1
hydrogen carbonate (HCO3)-1
carbonate (CO3)-2
chromate (CrO4)-2
dichromate (Cr2O7)-2
sulfate (SO4)-2
sulfite (SO3)-2
phosphate (PO4)-3
1 mono
2 di
3 tri
4 tetra
5 penta
6 hexa
7 hepta
8 octa
9 nona
10 deca
4 atoms bonded, 0 lone pairs tetrahedral
3 atoms bonded, 0 lone pairs trigonal planar
3 atoms bonded, 1 lone pairs trigonal pyramidal
2 atoms bonded, 0 lone pairs linear
2 atoms bonded, 2/1 lone pairs bent
polar bond atoms bonded are different
non-polar bond atoms bonded are same
Created by: caroline d'silva
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