what are the group 1,2,3 anions?
342877
the group 1, 2, and 3 anions are the ions that have a negative charge of 1, 2, or 3.
12446
Both group 1 and 2 nitrates give oxides on heating.\ngroup 1 carbonates are thermally very stable but group 2 carbonates are thermally unstable, the unstability increasing with cationic size.
881597
Cr2(SO4)3 + 6KOH  --> 2Cr(OH)3 + 3K2SO4
756384
Indeed:\nGroup 13 (3 valence electrons)\nPeriod 3 (3 energy levels)\n\nGet an "A"
744262
2, since it's in group 2 of the periodic table
781203
2H3PO4(aq) + 3Mn(OH)2(s)  --> Mn3(PO4)2(s) + 6H2O(l)
582466
1 goes in front of CO2.\n\nFe2O3 + CO ---> 2FeO + CO2\n\nAluminium chloride, AlCl3 because\nAl3+ --- group 3\nCl- --- group 7
253611
Li+\nBe2+\nB3+\nN3-\nO2-\nF-
105132
3 Sn(NO3)4 + 4 AlCl3 --> 4 Al(NO3)3 + 3 SnCl4
850606
Mg       2+\nPb       4+\nCrO4  2-\nNO2    1-\nI           1-\nClO3   1-\nOH      1-\nFe       2+\nNH4    1+\nCu      1+
944583
a) [O 2-]\nb) [ I - ]\nc) [Na+]\nd) [Al 3+]\ne) [Ni 2+]\nf) [Mg 2+]
579735
Guess a group 3 metal such as boron or Aluminium
714001
1. NO2-\n\n2. tellurite\n\n3. pernitrate\n\n4.NH4NO3\n\n5. OH-
56075
Binary: NaCl  (sodium chloride)\nPolyatomic cation:  NH4Cl  (ammonium chloride)\nPolyatomic anion:  Li2SO4  (lithium sulfate)\nPolyatomic complexed:  (NH4)3PO4  (ammonium phosphate)\nThey might be broken down differently to include inorganic and organic.  Their are also compounds called Zwitterions which contain both cation and anion.
812798
3Ca(OH)2+2H3PO4>Ca3(PO4)2+6H2O
283215
[Cu(NH3)4]SO4*H2O (s) + 2HCl(aq) --->\n\nCu(NH3)4 +2 (aq) + H2SO4(aq) + H2O(l) + 2Cl-(aq)
853922
These are the right ones:\n\n2K(s) + 2H2O(l) ---> 2KOH(aq) + H2(g)\nH2SO4(aq) + 2KOH(aq) ---> K2SO4(aq) + 2H2O(l)\nCa(OH)2(aq) + 2HCl(aq) ---> CaCl2(aq) + 2H2O(l)