name: hoanm mena date: 11/6/25 nomenclature #2 ionic with transition metals 1) cucl2 2) feo 3) caf2 4) li2o 5) hg2i2 6) sro 7) znf2 8) naf 9) hg3p2 10) li3p 11) agbr

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# Brief Explanations:
For naming ionic compounds with transition metals (and also for simple ionic compounds where applicable), we use the following rules:
- For metals that can have multiple charges (transition metals like Cu, Fe, Hg), we determine the charge of the metal ion based on the charge of the non - metal ion (using the fact that the compound is neutral). The charge of the metal is then indicated by a Roman numeral in parentheses.
- For metals that have a fixed charge (like group 1 (Li, Na), group 2 (Ca, Sr), Zn, Ag), we just name the metal followed by the non - metal (with the non - metal ending in - ide).

1. For $CuCl_2$:
   - Chloride ($Cl^-$) has a charge of - 1. There are 2 chloride ions, so the total negative charge is - 2.
   - Since the compound is neutral, copper ($Cu$) must have a charge of + 2. So the name is copper (II) chloride.
2. For $FeO$:
   - Oxide ($O^{2 -}$) has a charge of - 2.
   - For the compound to be neutral, iron ($Fe$) must have a charge of + 2. So the name is iron (II) oxide.
3. For $CaF_2$:
   - Calcium ($Ca$) is in group 2 and has a fixed charge of + 2. Fluoride ($F^-$) has a charge of - 1.
   - The name is calcium fluoride.
4. For $Li_2O$:
   - Lithium ($Li$) is in group 1 and has a fixed charge of + 1. Oxide ($O^{2 -}$) has a charge of - 2.
   - The name is lithium oxide.
5. For $Hg_2I_2$:
   - Let the charge of $Hg$ be $x$. Iodide ($I^-$) has a charge of - 1. There are 2 iodide ions ($-2$ charge in total).
   - For $Hg_2I_2$, $2x+(- 2)=0$, so $x = + 1$. The name is mercury (I) iodide.
6. For $SrO$:
   - Strontium ($Sr$) is in group 2 (fixed charge + 2). Oxide ($O^{2 -}$) has a charge of - 2.
   - The name is strontium oxide.
7. For $ZnF_2$:
   - Zinc ($Zn$) has a fixed charge of + 2. Fluoride ($F^-$) has a charge of - 1.
   - The name is zinc fluoride.
8. For $NaF$:
   - Sodium ($Na$) is in group 1 (fixed charge + 1). Fluoride ($F^-$) has a charge of - 1.
   - The name is sodium fluoride.
9. For $Hg_3P_2$:
   - Let the charge of $Hg$ be $x$. Phosphide ($P^{3 -}$) has a charge of - 3. There are 2 phosphide ions ($-6$ charge in total).
   - For $Hg_3P_2$, $3x+(-6)=0$, so $x = + 2$. The name is mercury (II) phosphide.
10. For $Li_3P$:
   - Lithium ($Li$) is in group 1 (fixed charge + 1). Phosphide ($P^{3 -}$) has a charge of - 3.
   - The name is lithium phosphide.
11. For $AgBr$:
   - Silver ($Ag$) has a fixed charge of + 1. Bromide ($Br^-$) has a charge of - 1.
   - The name is silver bromide.

# Answer:
1. copper (II) chloride
2. iron (II) oxide
3. calcium fluoride
4. lithium oxide
5. mercury (I) iodide
6. strontium oxide
7. zinc fluoride
8. sodium fluoride
9. mercury (II) phosphide
10. lithium phosphide
11. silver bromide

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