IB
IBO
Chemistry
October 2025
QP-202510-Chemistry-P1B(TZ3)-HL · Question 1
Question (excerpt):
1. The graph shows the variation of the first ionization energy with atomic radius for periods 2, 3 and 4 of the periodic table, with the d-block elements omitted. 50 100 150 200 0 500 1000 1500 2000 …
1. The graph shows the variation of the first ionization energy with atomic radius for periods 2, 3 and 4 of the periodic table, with the d-block elements omitted. 50 100 150 200 0 500 1000 1500 2000 …
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