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O 2-

Br 1-. Br 1-. Br. Br. K. e -. e -. Br 1-. Br 1-. bromine atom. potassium atom. e -. O 2-. potassium ion. bromide ion. Mg 2+. K 1+. K 1+. K 1+. K 1+. K. bromine atom. potassium atom. bromide ion. potassium ion. potassium bromide. KBr. magnesium bromide. potassium oxide.

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O 2-

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  1. Br1- Br1- Br Br K e- e- Br1- Br1- bromine atom potassium atom e- O2- potassium ion bromide ion Mg2+ K1+ K1+ K1+ K1+ K bromine atom potassium atom bromide ion potassium ion potassium bromide KBr magnesium bromide potassium oxide MgBr2 K2O

  2. Br1- Br1- Br1- PO43- O2- N3- Al3+ Ca2+ Pb4+ Mg2+ S2- K1+ K1+ K1+ OH1- OH1- NH41+ NO31- ? Cu2+

  3. OH1- OH1- Na1+ OH1- N3- N3- N3- N3- Pb4+ Pb4+ Pb4+ (metal) N2- N3- N3- Al3+ (metal) (metal) Ca2+ Pb4+ M2+ Mg2+ ? M1+ M1+ Chemical Bonding Activity (metal) (nonmetal) Pb4+ N3- Pb3N4 lead (IV) nitride or plumbic nitride

  4. Br1- Br1- Br1- N3- N3- N3- N3- Pb4+ Pb4+ Pb4+ O2- N3- Al3+ Mg2+ K1+ K1+ K1+ NH41+ NO31- Key http://www.unit5.org/christjs/4bondingact.doc 4. 5. 1. KBr 2. AlN 6. OH1- Cu2+ K2O OH1- 3. Cu(OH)2 7. Pb3N4 MgBr2 NH4NO3

  5. Ca2+ Ca2+ Ca2+ PO43- PO43- PO43- O2- O2- O2- O2- Al3+ Al3+ Fe2+ NH41+ NH41+ NH41+ Key 8. 9. 10. (NH4)3PO4 11. Ca3(PO4)2 Al2O3 FeO

  6. 13. Fe3+ Fe3+ S2- S2- S2- S2- O2- O2- O2- O2- O2- S2- Pb4+ Pb4+ Cu2+ Pb2+ Cu1+ Cu1+ Key 14. 12. PbS 15. CuO 16. Fe2O3 Cu2O Pb2S4 PbS2 Pb2S3

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