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Which substance has covalent bonding? A - OCR Gateway - GCSE Chemistry - Question 13 - 2021 - Paper 1
Question 13
Which substance has covalent bonding? A. Aluminium B. Carbon dioxide C. Magnesium D. Sodium chloride Your answer ________
Worked Solution & Example Answer:Which substance has covalent bonding? A - OCR Gateway - GCSE Chemistry - Question 13 - 2021 - Paper 1
Step 1
Identify which substances bond covalently
Answer
Covalent bonding occurs when two nonmetals share electrons. In this case, carbon dioxide (CO₂) consists of carbon and oxygen, both of which are nonmetals. Therefore, the correct option is:
Answer: B. Carbon dioxide