O-LevelPhysicsNuclear Physics5054/11 · May/June 2014 · Q401 Mark

¹⁴₆C represents a nuclide of the element carbon and ¹⁴₇N a nuclide of nitrogen. How does a neutral atom of ¹⁴₇N differ from a neutral atom of ¹⁴₆C?

AThe nitrogen atom has one electron less than the carbon atom.

BThe nitrogen atom has one neutron more than the carbon atom.

CThe nitrogen atom has one proton less than the carbon atom.

DThe nitrogen atom has one proton more than the carbon atom.

✓ Correct answer

D: The nitrogen atom has one proton more than the carbon atom.

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Topic: Nuclear Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2014 Paper 1 Variant 1, question 40.

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