Which statement about covalent bonding is not correct?
A - OCR Gateway - GCSE Chemistry - Question 14 - 2021 - Paper 3
Question 14
Which statement about covalent bonding is not correct?
A. Covalent bonds are broken when a compound changes state from a liquid to a gas.
B. Covalent bonds are stro... show full transcript
Worked Solution & Example Answer:Which statement about covalent bonding is not correct?
A - OCR Gateway - GCSE Chemistry - Question 14 - 2021 - Paper 3
Step 1
A. Covalent bonds are broken when a compound changes state from a liquid to a gas.
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Answer
This statement is incorrect because covalent bonds are not actually broken during a change of state (e.g., boiling) for covalent compounds. Rather, the intermolecular forces between molecules are overcome. The covalent bonds within the molecules themselves remain intact.
Step 2
B. Covalent bonds are strong.
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Answer
This statement is correct. Covalent bonds are known for being strong forces that hold atoms together within molecules.
Step 3
C. Covalent bonds can be found in both simple compounds and giant structures.
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Answer
This statement is correct. Covalent bonds are present in a variety of compounds ranging from small molecular substances to large, complex structures like diamond or silicon dioxide.
Step 4
D. Covalent bonds share electrons between atoms.
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Answer
This statement is correct. Covalent bonding involves the sharing of electron pairs between atoms to achieve stability.
