DP Physics (first assessment 2025)

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Question 21N.1A.SL.TZ0.25

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Date November 2021 Marks available [Maximum mark: 1] Reference code 21N.1A.SL.TZ0.25
Level SL Paper 1A Time zone TZ0
Command term Question number 25 Adapted from N/A
25.
[Maximum mark: 1]
21N.1A.SL.TZ0.25

The mass of a nucleus of iron-56 (Fe2656) is M.

What is the mass defect of the nucleus of iron-56?

 

A.  M − 26mp − 56mn

B.  26mp + 30mn − M

C.  M − 26mp − 56mn − 26me

D.  26mp + 30mn + 26me − M

[1]

Markscheme

B

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