DP Chemistry (first assessment 2025)
Structure 3.1.9—The formation of variable oxidation states in transition elements can be explained by the fact that their successive ionization energies are close in value. Deduce the electron configurations of ions of the first-row transition elements.
Description
[N/A]Directly related questions
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19M.1A.HL.TZ1.8:
Which electrons are removed from iron (Z = 26) to form iron(II)?
A. two 3d electrons
B. two 4s electrons
C. one 4s electron and one 3d electron
D. two 4p electrons
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19M.1A.HL.TZ1.8:
Which electrons are removed from iron (Z = 26) to form iron(II)?
A. two 3d electrons
B. two 4s electrons
C. one 4s electron and one 3d electron
D. two 4p electrons
-
19M.1A.HL.TZ1.8:
Which electrons are removed from iron (Z = 26) to form iron(II)?
A. two 3d electrons
B. two 4s electrons
C. one 4s electron and one 3d electron
D. two 4p electrons
-
19M.1A.HL.TZ1.8:
Which electrons are removed from iron (Z = 26) to form iron(II)?
A. two 3d electrons
B. two 4s electrons
C. one 4s electron and one 3d electron
D. two 4p electrons