Naming Ionic and Covalent Compounds Practice Problems - Chemistry ... - Free Printable

To solve this problem, we need to write the correct chemical formula for each compound name listed. Here is the step-by-step logic for finding each one:

Column 1:
1. Nitrogen monoxide: Nitrogen (N) and Oxygen (O). "Mono" means 1 oxygen. Formula: NO
2. Silver bromide: Silver is Ag⁺, Bromide is Br⁻. They balance 1:1. Formula: AgBr
3. Sulfur dioxide: Sulfur (S) and Oxygen (O). "Di" means 2 oxygens. Formula: SO₂
4. Lead(IV) iodide: Lead has a +4 charge (IV). Iodide is I⁻ (-1). We need four iodides to balance one lead. Formula: PbI₄
5. Potassium carbonate: Potassium is K⁺ (+1). Carbonate is CO²⁻ (-2). We need two potassiums to balance the -2 charge. Formula: K₂CO₃
6. Hydrosulfuric acid: This is hydrogen sulfide dissolved in water. Hydrogen is H⁺, Sulfide is S²⁻. We need two hydrogens. Formula: H₂S
7. Sodium bicarbonate: Sodium is Na⁺ (+1). Bicarbonate is HCO₃⁻ (-1). They balance 1:1. Formula: NaHCO₃
8. Aluminum nitrate: Aluminum is Al³⁺ (+3). Nitrate is NO₃⁻ (-1). We need three nitrates. Formula: Al(NO₃)₃
9. Ferrous sulfide: "Ferrous" means Iron(II), which is Fe²⁺ (+2). Sulfide is S²⁻ (-2). They balance 1:1. Formula: FeS
10. Magnesium fluoride: Magnesium is Mg²⁺ (+2). Fluoride is F⁻ (-1). We need two fluorides. Formula: MgF₂
11. Calcium cyanide: Calcium is Ca² (+2). Cyanide is CN⁻ (-1). We need two cyanides. Formula: Ca(CN)₂

Column 2:
12. Manganese dioxide: Manganese (Mn) and Oxygen (O). "Di" means 2 oxygens. Formula: MnO₂
13. Cuprous hydroxide: "Cuprous" means Copper(I), which is Cu⁺ (+1). Hydroxide is OH⁻ (-1). They balance 1:1. Formula: CuOH
14. Silver chromate: Silver is Ag⁺ (+1). Chromate is CrO²⁻ (-2). We need two silvers. Formula: Ag₂CrO
15. Barium perchlorate: Barium is Ba²⁺ (+2). Perchlorate is ClO₄⁻ (-1). We need two perchlorates. Formula: Ba(ClO₄)₂
16. Cadmium sulfite: Cadmium is Cd²⁺ (+2). Sulfite is SO₃²⁻ (-2). They balance 1:1. Formula: CdSO₃
17. Potassium dichromate: Potassium is K⁺ (+1). Dichromate is Cr₂O₇² (-2). We need two potassiums. Formula: K₂Cr₂O₇
18. Ammonium sulfate: Ammonium is NH₄⁺ (+1). Sulfate is SO₄²⁻ (-2). We need two ammoniums. Formula: (NH₄)₂SO₄
19. Potassium permanganate: Potassium is K⁺ (+1). Permanganate is MnO₄⁻ (-1). They balance 1:1. Formula: KMnO₄
20. Lithium bisulfate: Lithium is Li⁺ (+1). Bisulfate (hydrogen sulfate) is HSO₄⁻ (-1). They balance 1:1. Formula: LiHSO₄
21. Zinc chlorate: Zinc is Zn² (+2). Chlorate is ClO₃ (-1). We need two chlorates. Formula: Zn(ClO₃)₂
22. Aluminium phosphate: Aluminum is Al³⁺ (+3). Phosphate is PO₄³⁻ (-3). They balance 1:1. Formula: AlPO₄

Column 3:
23. Iron(III) oxide: Iron is Fe³⁺ (+3). Oxide is O²⁻ (-2). To balance charges (cross method), we need 2 irons and 3 oxygens. Formula: Fe₂O₃
24. Copper(I) nitrate: Copper is Cu⁺ (+1). Nitrate is NO₃⁻ (-1). They balance 1:1. Formula: CuNO₃
25. Mercuric hydroxide: "Mercuric" means Mercury(II), which is Hg²⁺ (+2). Hydroxide is OH⁻ (-1). We need two hydroxides. Formula: Hg(OH)₂
26. Calcium carbide: Calcium is Ca²⁺ (+2). Carbide is C₂²⁻ (-2). They balance 1:1. Formula: CaC₂
27. Chromic sulfate: "Chromic" means Chromium(III), which is Cr³ (+3). Sulfate is SO₄²⁻ (-2). Cross charges: 2 chromes and 3 sulfates. Formula: Cr₂(SO₄)₃
28. Stannous chloride: "Stannous" means Tin(II), which is Sn²⁺ (+2). Chloride is Cl⁻ (-1). We need two chlorides. Formula: SnCl₂
29. Ferric carbonate: "Ferric" means Iron(III), which is Fe³⁺ (+3). Carbonate is CO₃²⁻ (-2). Cross charges: 2 irons and 3 carbonates. Formula: Fe₂(CO₃)₃
30. Ammonium hydroxide: Ammonium is NH₄⁺ (+1). Hydroxide is OH⁻ (-1). They balance 1:1. Formula: NH₄OH
31. Diphosphorus pentoxide: Di = 2 Phosphorus (P), Penta = 5 Oxygen (O). Formula: P₂O₅
32. Carbon tetrachloride: Carbon (C) and Tetra = 4 Chlorine (Cl). Formula: CCl₄
33. Aluminum Oxide: Aluminum is Al³⁺ (+3). Oxide is O²⁻ (-2). Cross charges: 2 aluminums and 3 oxygens. Formula: Al₂O₃

Final Answer:
NO, AgBr, SO₂, PbI₄, K₂CO₃, H₂S, NaHCO₃, Al(NO₃)₃, FeS, MgF₂, Ca(CN)₂, MnO₂, CuOH, Ag₂CrO₄, Ba(ClO₄)₂, CdSO₃, K₂Cr₂O₇, (NH₄)₂SO₄, KMnO₄, LiHSO₄, Zn(ClO₃)₂, AlPO₄, Fe₂O₃, CuNO₃, Hg(OH)₂, CaC₂, Cr₂(SO₄)₃, SnCl₂, Fe₂(CO₃), NH₄OH, P₂O₅, CCl₄, Al₂O₃