IdentificationEasy1 mark
9(iii)(b)
(24, 11)Na emits a nuclear radiation which does not alter the mass number but is deflected by a magnetic field.
Name the type of nuclear radiation emitted by ²⁴₁₁Na.
Topic: Beta decay
Question wording verified against source paper
Answer
Exam answer
Beta (β⁻) radiation.
Explanation
Beta-minus emission leaves the mass number unchanged and increases the atomic number by one.
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