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Question 19N.3.HL.TZ0.17b

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Date November 2019 Marks available [Maximum mark: 2] Reference code 19N.3.HL.TZ0.17b
Level HL Paper 3 Time zone TZ0
Command term Describe Question number b Adapted from N/A
b.
[Maximum mark: 2]
19N.3.HL.TZ0.17b
(b)

Describe why iron is the heaviest element that can be produced by nuclear fusion processes inside stars.

[2]

Markscheme

the binding energy per nucleon is a maximum for iron ✔

formation of heavier elements than iron by fusion is not energetically possible ✔

NOTE: For MP2 some reference to energy is needed

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