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chemistry unit 3
unit 3
Question | Answer |
---|---|
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 |