Ionic and Molecular Compounds Review Worksheet for chemistry practice.

Problem: Write the names or formulas for the given ionic and molecular compounds.

#### Step 1: Write the name for each of the following Ionic Compounds

1. NaBr
- Sodium bromide

2. Ti(NO₃)₂
- Titanium (IV) nitrate

3. PtCl₄
- Platinum (II) tetrachloride

4. KClO₃
- Potassium chlorate

5. Ca(OH)₂
- Calcium hydroxide

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#### Step 2: Write the name for each of the following Molecular Compounds

1. CO
- Carbon monoxide

2. P₄O₁₀
- Diphosphorus pentoxide

3. C₆H₆
- Benzene (or cyclohexane)

4. CH₄
- Methane (or carbon tetrahydride)

5. CF₄
- Tetrafluoromethane (or carbon tetrafluoride)

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#### Step 3: Write the formula for each of the following Ionic Compounds

1. sodium fluoride
- NaF

2. copper (II) sulfate
- CuSO₄

3. magnesium phosphate
- Mg₃(PO₄)₂

4. ammonium dichromate
- (NH₄)₂Cr₂O₇

5. sodium hypochlorite
- NaClO

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#### Step 4: Write the formula for each of the following Molecular Compounds

1. silicon dioxide
- SiO₂

2. dichlorine trifluoride
- Cl₂F₃

3. carbon tetrabromide
- CBr₄

4. nitrogen monoxide
- NO

5. oxygen difluoride
- OF₂

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Explanation of the Solution:

#### Ionic Compounds:
- Naming Ionic Compounds:
- The first element in the compound is named as a metal (or a positively charged ion), followed by the second element, which is named as a nonmetal (or a negatively charged ion) with the suffix "-ide."
- If the metal can form multiple oxidation states, the charge is indicated using Roman numerals in parentheses.
- Example: Ti(NO₃)₂ → Titanium (IV) nitrate.

- Writing Formulas for Ionic Compounds:
- The formula is determined by balancing the charges of the ions to achieve electrical neutrality.
- Example: Sodium fluoride (Na⁺ and F⁻) → NaF.

#### Molecular Compounds:
- Naming Molecular Compounds:
- Prefixes are used to indicate the number of atoms of each element in the molecule.
- The more electronegative element is written last.
- Example: P₄O₁₀ → Diphosphorus pentoxide.

- Writing Formulas for Molecular Compounds:
- The formula is written based on the prefixes indicating the number of atoms of each element.
- Example: Silicon dioxide → SiO₂.

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Final Answers:

#### Ionic Compounds:
1. NaBr: Sodium bromide
2. Ti(NO₃)₂: Titanium (IV) nitrate
3. PtCl₄: Platinum (II) tetrachloride
4. KClO₃: Potassium chlorate
5. Ca(OH)₂: Calcium hydroxide

#### Molecular Compounds:
1. CO: Carbon monoxide
2. P₄O₁₀: Diphosphorus pentoxide
3. C₆H₆: Benzene (or cyclohexane)
4. CH₄: Methane (or carbon tetrahydride)
5. CF₄: Tetrafluoromethane (or carbon tetrafluoride)

#### Ionic Compounds (Formulas):
1. sodium fluoride: NaF
2. copper (II) sulfate: CuSO₄
3. magnesium phosphate: Mg₃(PO₄)₂
4. ammonium dichromate: (NH₄)₂Cr₂O₇
5. sodium hypochlorite: NaClO

#### Molecular Compounds (Formulas):
1. silicon dioxide: SiO₂
2. dichlorine trifluoride: Cl₂F₃
3. carbon tetrabromide: CBr₄
4. nitrogen monoxide: NO
5. oxygen difluoride: OF₂

Final Answer:
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