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Relative atomic mass compares the average mass of an atom to which element? A Carbon B Hydrogen C Nitrogen D Oxygen Your answer: - OCR Gateway - GCSE Chemistry: Combined Science - Question 3 - 2020 - Paper 1

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Relative atomic mass compares the average mass of an atom to which element? A Carbon B Hydrogen C Nitrogen D Oxygen Your answer:

Worked Solution & Example Answer:Relative atomic mass compares the average mass of an atom to which element? A Carbon B Hydrogen C Nitrogen D Oxygen Your answer: - OCR Gateway - GCSE Chemistry: Combined Science - Question 3 - 2020 - Paper 1

Step 1

Identify the Element for Relative Atomic Mass Comparison

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Answer

The relative atomic mass is defined relative to that of carbon-12, which is set to 12 units. Therefore, the average mass of an atom is compared to the mass of carbon. The correct answer is A. Carbon.

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