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Summary A-Level Chemistry Notes (AS) CAIE
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  • All AS Chapters (9701)
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This is the simplest A-Level Chemistry Notes (AS) CAIE available out there. Made by student for student. Systematically organized & well-summarized from the jumbo coursebook to avoid our learners to become overwhelmed. You may contact the author for clarification and further explanation. You can pr...

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  • December 26, 2022
  • 82
  • 2022/2023
  • Summary

Subjects

  • alevel
  • chemistry
  • alevelchemistry
  • caie
  • cie
  • advanced subsidiary
  • aschemistry
  • 9701
  • complete
  • simple
  • short
  • uk
  • as
  • summary

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  • A/AS Level
  • CIE
  • Chemistry
  • All AS Chapters (9701)
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,This e-book follows the Cambridge International AS & A Level Chemistry
(9701) syllabus.



Copyright © 2022 Thasa Ratha



This e-book solely belongs to the rightful buyer and shall not be
disseminated to non-buyers. No part of this e-book shall be reproduced,
distributed or transmitted in any form or by any means, including
photocopying, recording, or other electronic methods, without the prior
written permission of the author.

, ATOMIC STRUCTURE




ELECTRONS IN ATOMS



𝑒




Electrons in quantum shells further away from the nucleus have
more energy & are held less tightly to nucleus

𝒔 = 𝟐 𝒆 [𝟏 𝒐𝒓𝒃𝒊𝒕𝒂𝒍] 𝒑 = 𝟔 𝒆 [𝟑 𝒐𝒓𝒃𝒊𝒕𝒂𝒍] 𝒅 = 𝟏𝟎 𝒆 [𝟓 𝒐𝒓𝒃𝒊𝒕𝒂𝒍]

ATOMIC ORBITAL
REGION SPACE OUTSIDE NUCLEUS THAT CAN BE OCCUPIED BY ONE TWO e

s orbital p orbitals
(Spherical shape) (Hourglass shape)


THASA RATHA 1

, 𝟔𝒔𝟐
𝟏𝒔𝟐 𝟐𝒔𝟐 𝟐𝒑𝟔 𝟑𝒔𝟐 𝟑𝒑𝟔 𝟒𝒔𝟐 𝟑𝒅𝟏𝟎 𝟒𝒑𝟔 𝟓𝒔𝟐 𝟒𝒅𝟏𝟎 𝟓𝒑𝟔 𝟔𝒔𝟐




12. Block of an element corresponds to the type of orbital which receive the
last electron
13. When d-block elements lose 𝑒, 4s 𝑒 lose first before
3d



3d subshell is more stable when it is either half full or
completely full




THASA RATHA 2

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