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Summary BTEC applied science/forensics unit 1 chemistry: electronegativity

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These are my notes from class on electronegativity, they can be used for unit 1 chemistry in both the BTECs applied science and forensic and criminal investigation

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PEARSON (PEARSON)
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Unit 1 - Principles and Applications of Science I








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Study Level
BTEC
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PEARSON (PEARSON)
Subject
Applied Science 2016 NQF
Unit
Unit 1 - Principles and Applications of Science I
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Uploaded on
June 14, 2022
Number of pages
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Written in
2021/2022
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Summary

Subjects

  • btec
  • chemistry
  • applied science
  • forensics
  • electronegativity

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Electronegativity
Electronegativity - A measure of the attraction of a bonded atom for a pair of electrons in a
covalent bond
● In molecules such as H2+ or Cl2+ the electrons are shared equally
● In molecules containing other elements, the most electronegative element attracts
the electrons
Pauling's electronegativity scale
● Measure of electronegativity
● Runs on a scale of 0-4
● Higher number = more electronegative
● Fluorine is the most electronegative at 4
● Electronegativity increases diagonally across the periodic table, finishing at fluorine
and excluding noble gases
Electronegativity depends on:

● Nuclear charge
● Atomic radius
● Shielding
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I sell my high graded assignments here, as well as my very organised and detailed notes. I currently study BTEC forensics, which overlaps with applied science, and Classical civilisations A level. Please leave a review!

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