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Edexcel A-Level Chemistry A2 17.2 Deduce the Electronic Configurations of Atoms and Ions of the D Block Elements of Period 4 Sc Zn Given Their Atomic Number Questions

Practise Edexcel IAL Chemistry 17.2 by removing 4s electrons first, applying chromium and copper exceptions and linking d-orbital occupancy to stability.

Syllabus
First assessment 2019
Course
Chemistry YCH11
Level
A2

Exam points

  • Deduce d-block ion configurations such as Zn2+, Fe2+, Ni2+ and Cu+ from charge.
  • Use chromium and copper exceptions when writing Period 4 atom configurations.
  • Explain stability or redox behaviour from half-filled or filled 3d subshells.

Edexcel A-Level Chemistry A2 17.2 Deduce the Electronic Configurations of Atoms and Ions of the D Block Elements of Period 4 Sc Zn Given Their Atomic Number Questions question 1

[Maximum number: 1]

Which d-block elements of Period 3 do not follow the periodic pattern in the electronic configuration of their atoms?

A

chromium and copper

B

chromium and manganese

C

scandium and copper

D

scandium and zinc

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