IG Chem – Simple Molecules and Covalent Bonds

IG Chem – Simple Molecules and Covalent Bonds

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Question 1 of 15

1. Question
1 point(s)
Non-metal atoms achieve complete outer electron shells by sharing electrons.
- true
- false
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Question 2 of 15

2. Question
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A single covalent bond is formed when three atoms share electrons.
- true
- false
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Question 3 of 15

3. Question
1 point(s)
In a hydrogen molecule (H₂), each hydrogen atom shares one electron with another hydrogen atom.
- true
- false
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Question 4 of 15

4. Question
1 point(s)
Covalent bonds involve the attraction between positive and negative ions.
- true
- false
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Question 5 of 15

5. Question
1 point(s)
The formula of a hydrogen molecule can be written as H₂.
- true
- false
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Question 6 of 15

6. Question
1 point(s)
Water (H₂O) contains ionic bonds between hydrogen and oxygen.
- true
- false
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Question 7 of 15

7. Question
1 point(s)
Methane (CH₄) has four single covalent bonds.
- true
- false
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Question 8 of 15

8. Question
1 point(s)
Hydrogen chloride (HCl) has a double covalent bond.
- true
- false
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Question 9 of 15

9. Question
1 point(s)
Ethane (C₂H₆) has a more complex electron arrangement than ethene (C₂H₄).
- true
- false
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Question 10 of 15

10. Question
1 point(s)
Methanol (CH₃OH) contains both covalent and ionic bonds.
- true
- false
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Question 11 of 15

11. Question
1 point(s)
Carbon dioxide (CO₂) contains double covalent bonds.
- true
- false
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Question 12 of 15

12. Question
1 point(s)
Nitrogen molecules (N₂) contain triple covalent bonds.
- true
- false
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Question 13 of 15

13. Question
1 point(s)
Group V elements in the periodic table can form three covalent bonds.
- true
- false
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Question 14 of 15

14. Question
1 point(s)
Simple molecular crystals have high melting and boiling points.
- true
- false
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Question 15 of 15

15. Question
1 point(s)
Covalent compounds generally have poor electrical conductivity.
- true
- false
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