DP Physics (first assessment 2025)

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Question 19M.1A.SL.TZ1.26

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.1A.SL.TZ1.26
Level SL Paper 1A Time zone TZ1
Command term Question number 26 Adapted from N/A
26.
[Maximum mark: 1]
19M.1A.SL.TZ1.26

Which property of a nuclide does not change as a result of beta decay?

A. Nucleon number

B. Neutron number

C. Proton number

D. Charge

[1]

Markscheme

A

Examiners report

Response A was the most common (correct) response from a minority of candidates (38 %). Incorrect responses were evenly divided among the remaining options.

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