IB
IBO
Chemistry
October 2023
QP-202310-Chemistry-P1（TZ1）-HL · Question 5
Question (excerpt):
5. The first three ionization energies for two elements, X and Y, are: Ionization energies (kJ mol-1) First Second Third X 900 1757 14 849 Y 1086 2350 4620 Which pair of elements represent X and Y, re…
5. The first three ionization energies for two elements, X and Y, are: Ionization energies (kJ mol-1) First Second Third X 900 1757 14 849 Y 1086 2350 4620 Which pair of elements represent X and Y, re…
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