Worksheet for writing formulas of covalent compounds.
Naming Covalent Compounds Worksheet with a table listing compound names and blank spaces for formulas.
WEBP
742×1050
28.7 KB
Free · Personal Use
Quality Assured by Worksheets Library Team
Reviewed for educational accuracy and age-appropriateness
ID: #539435
⭐
Show Answer Key & Explanations
Step-by-step solution for: Naming Covalent Compounds Worksheets - Free Printable
▼
Show Answer Key & Explanations
Step-by-step solution for: Naming Covalent Compounds Worksheets - Free Printable
Let's solve this Naming Covalent Compounds Worksheet by writing the correct chemical formulas for each compound based on its name.
Covalent compounds are formed between nonmetals, and their names use prefixes (mono-, di-, tri-, etc.) to indicate the number of atoms. The first element is written with its full name, and the second element ends in "-ide". Prefixes are used for both elements, but "mono-" is usually omitted for the first element.
Here’s how we’ll approach each:
---
- Methane is a common name for CH₄.
- It consists of one carbon and four hydrogen atoms.
- Formula: CH₄
---
- "Tri-" means three fluorine atoms.
- Nitrogen is N, Fluorine is F.
- So: one N and three F.
- Formula: NF₃
---
- Ammonia is a common name for NH₃.
- One nitrogen, three hydrogens.
- Formula: NH₃
---
- "Di-" means two oxygen atoms.
- Chlorine is Cl, Oxygen is O.
- One Cl and two O.
- Formula: ClO₂
---
- "Hexa-" = 6 boron atoms (B)
- "Mono-" = 1 silicon atom (Si)
- Formula: B₆Si
---
- "Di-" = two oxygen atoms.
- Dioxygen refers to O₂.
- Formula: O₂
---
- "Tetra-" = 4 phosphorus (P)
- "Penta-" = 5 sulfur (S)
- Formula: P₄S₅
---
- Antimony = Sb
- "Tri-" = 3 bromine (Br)
- Formula: SbBr₃
---
- Hydrogen = H
- "Mono-" = 1 iodine (I)
- Note: "Mono" is used here because it's not the first element.
- Formula: HI
---
- Phosphorus = P
- "Tri-" = 3 iodine (I)
- Formula: PI₃
---
- Sulfur = S
- "Tetra-" = 4 chlorine (Cl)
- Formula: SCl₄
---
- "Di-" = 2 boron (B)
- "Mono-" = 1 silicon (Si)
- Formula: B₂Si
---
- Selenium = Se
- "Hexa-" = 6 fluorine (F)
- Formula: SeF₆
---
- "Di-" = 2 nitrogen (N)
- "Tri-" = 3 oxygen (O)
- Formula: N₂O₃
---
- Iodine = I
- "Penta-" = 5 fluorine (F)
- Formula: IF₅
---
| Name of the Compound | Formula |
|-----------------------------|-------------|
| Methane | CH₄ |
| Nitrogen Trifluoride | NF₃ |
| Ammonia | NH₃ |
| Chlorine Dioxide | ClO₂ |
| Hexaboron Monosilicide | B₆Si |
| Dioxygen | O₂ |
| Tetraphosphorus Pentasulfide| P₄S₅ |
| Antimony Tribromide | SbBr₃ |
| Hydrogen Monoiodide | HI |
| Phosphorus Triiodide | PI₃ |
| Sulfur Tetrachloride | SCl₄ |
| Diboron Monosilicide | B₂Si |
| Selenium Hexafluoride | SeF₆ |
| Dinitrogen Trioxide | N₂O₃ |
| Iodine Pentafluoride | IF₅ |
---
- Use prefixes to determine the number of atoms.
- First element: no "mono-" prefix unless necessary (e.g., CO vs CO₂).
- Second element: always ends in "-ide".
- Write symbols correctly (e.g., Si = silicon, Sb = antimony, Se = selenium).
Let me know if you'd like help naming them from formulas instead!
Covalent compounds are formed between nonmetals, and their names use prefixes (mono-, di-, tri-, etc.) to indicate the number of atoms. The first element is written with its full name, and the second element ends in "-ide". Prefixes are used for both elements, but "mono-" is usually omitted for the first element.
Here’s how we’ll approach each:
---
1. Methane
- Methane is a common name for CH₄.
- It consists of one carbon and four hydrogen atoms.
- Formula: CH₄
---
2. Nitrogen Trifluoride
- "Tri-" means three fluorine atoms.
- Nitrogen is N, Fluorine is F.
- So: one N and three F.
- Formula: NF₃
---
3. Ammonia
- Ammonia is a common name for NH₃.
- One nitrogen, three hydrogens.
- Formula: NH₃
---
4. Chlorine Dioxide
- "Di-" means two oxygen atoms.
- Chlorine is Cl, Oxygen is O.
- One Cl and two O.
- Formula: ClO₂
---
5. Hexaboron Monosilicide
- "Hexa-" = 6 boron atoms (B)
- "Mono-" = 1 silicon atom (Si)
- Formula: B₆Si
---
6. Dioxygen
- "Di-" = two oxygen atoms.
- Dioxygen refers to O₂.
- Formula: O₂
---
7. Tetraphosphorus Pentasulfide
- "Tetra-" = 4 phosphorus (P)
- "Penta-" = 5 sulfur (S)
- Formula: P₄S₅
---
8. Antimony Tribromide
- Antimony = Sb
- "Tri-" = 3 bromine (Br)
- Formula: SbBr₃
---
9. Hydrogen Monoiodide
- Hydrogen = H
- "Mono-" = 1 iodine (I)
- Note: "Mono" is used here because it's not the first element.
- Formula: HI
---
10. Phosphorus Triiodide
- Phosphorus = P
- "Tri-" = 3 iodine (I)
- Formula: PI₃
---
11. Sulfur Tetrachloride
- Sulfur = S
- "Tetra-" = 4 chlorine (Cl)
- Formula: SCl₄
---
12. Diboron Monosilicide
- "Di-" = 2 boron (B)
- "Mono-" = 1 silicon (Si)
- Formula: B₂Si
---
13. Selenium Hexafluoride
- Selenium = Se
- "Hexa-" = 6 fluorine (F)
- Formula: SeF₆
---
14. Dinitrogen Trioxide
- "Di-" = 2 nitrogen (N)
- "Tri-" = 3 oxygen (O)
- Formula: N₂O₃
---
15. Iodine Pentafluoride
- Iodine = I
- "Penta-" = 5 fluorine (F)
- Formula: IF₅
---
✔ Final Answer Table:
| Name of the Compound | Formula |
|-----------------------------|-------------|
| Methane | CH₄ |
| Nitrogen Trifluoride | NF₃ |
| Ammonia | NH₃ |
| Chlorine Dioxide | ClO₂ |
| Hexaboron Monosilicide | B₆Si |
| Dioxygen | O₂ |
| Tetraphosphorus Pentasulfide| P₄S₅ |
| Antimony Tribromide | SbBr₃ |
| Hydrogen Monoiodide | HI |
| Phosphorus Triiodide | PI₃ |
| Sulfur Tetrachloride | SCl₄ |
| Diboron Monosilicide | B₂Si |
| Selenium Hexafluoride | SeF₆ |
| Dinitrogen Trioxide | N₂O₃ |
| Iodine Pentafluoride | IF₅ |
---
🔍 Summary of Rules Used:
- Use prefixes to determine the number of atoms.
- First element: no "mono-" prefix unless necessary (e.g., CO vs CO₂).
- Second element: always ends in "-ide".
- Write symbols correctly (e.g., Si = silicon, Sb = antimony, Se = selenium).
Let me know if you'd like help naming them from formulas instead!
Parent Tip: Review the logic above to help your child master the concept of naming chemical formulas worksheet.
