Covalent Formulas Worksheet
Explore the basics of covalent bonding, Lewis structures, and naming covalent compounds for Grade 9 science students.
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Covalent Formulas Worksheet
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Read each question carefully and provide your best answer. For drawing Lewis structures, represent valence electrons as dots.
1. Covalent bonds are formed when atoms electrons.
2. The smallest unit of a covalently bonded compound is called a .
3. In a covalent bond, atoms achieve a stable electron configuration, usually by having valence electrons.
4. Which of the following elements is most likely to form covalent bonds?
Sodium (Na)
Chlorine (Cl)
Calcium (Ca)
Potassium (K)
5. What is the correct name for the covalent compound N₂O₄?
Dinitrogen tetroxide
Nitrogen oxide
Nitrogen tetroxide
Dinitrogen oxide
6. Draw the Lewis electron dot structure for a water molecule (H₂O).
7. Draw the Lewis electron dot structure for a carbon dioxide molecule (CO₂).
8. All covalent compounds are soluble in water.
True
False
9. A double bond consists of two shared pairs of electrons.
True
False
10. Observe the illustration below showing covalent bond formation. Briefly explain what is happening between the two atoms.
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