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Covalent Bonding Properties Revision
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Covalent Bonding Properties Revision
📚 Part 1: Multiple Choice
1. What type of bond forms when atoms share electrons?
Ionic bond
Covalent bond
Metallic bond
Hydrogen bond
2. Which property is typical of simple covalent molecules?
High melting point
Conduct electricity as solids
Low boiling point
Soluble in all solvents
3. Which of these are examples of covalent molecules? (Select all that apply)
Water (H₂O)
Sodium chloride (NaCl)
Carbon dioxide (CO₂)
Methane (CH₄)
4. Why don't simple covalent compounds conduct electricity?
They have no free electrons or ions
They have too many electrons
They are too small
They only conduct when hot
✏️ Part 2: True or False & Short Answers
5. True or False: Covalent molecules generally have high melting and boiling points.
True
False
6. True or False: Most covalent molecules are soluble in water.
True
False
7. Explain why simple covalent molecules have low melting and boiling points.
8. Complete the sentence: Covalent bonds form between ________ atoms, and the electrons are ________ between the atoms.
Answer: _________________ and _________________
🔬 Part 3: Application Questions
9. Give three examples of simple covalent molecules and state one property they all share.
10. Explain why diamond (a giant covalent structure) has different properties from simple covalent molecules like water.
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