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Samenvatting Scheikunde Chemisch rekenen en herhaling vwo 3

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Ik heb een samenvatting gemaakt van hoofdstuk 1, Chemisch rekenen en herhaling van vwo 3 van de methode NOVA van leerjaar 4 vwo. Hierin komen de onderwerpen: Atoombouw en periodiek systeem, De hoeveelheid stof, Rekenen aan gehaltes en Rekenen aan reacties.

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VWO / Gymnasium
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Scheikunde








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Institution
Secondary school
Level
VWO / Gymnasium
Module
Scheikunde
School year
4
All documents for this subject (2400)

Document information

Uploaded on
February 16, 2021
File latest updated on
July 7, 2022
Number of pages
7
Written in
2020/2021
Type
Summary

Subjects

  • scheikunde
  • vwo 4
  • hoofdstuk 1
  • vwo 3 herhaling
  • rekenen aan gehaltes
  • rekenen aan reacties
  • chemisch rekenen
  • vwo
  • atoombouw en periodiek systeem

Content preview

Scheikunde samenvatting
Hoofdstuk 1, Chemisch rekenen en herhaling vwo 3

Hoofdstuk 1
Paragraaf 1, Atoombouw en periodiek systeem
Scheikunde vroeger en nu
Een van 1e wetenschappers theorie over eigenschappen en opbouw stoffen = Demokritos
Stelde materie niet eindeloos opgedeeld maar op kleinste deeltje uitkomt - atoom
118 - atoomsoorten beken
92 - in de natuur

Ontwikkeling van het atoommodel




Elektronen in vaste banen rond kern, deze banen heten - elektronenschillen




Atoommodel beschrijft atoom bestaande uit
- negatief geladen elektronen (in banen om kern)
- positief geladen protonen (in kern)
- neutraal geladen neutronen (in kern)
Na ontdekking neutronen model aangepast nu - atoommodel van Bohr
Lading proton en elektron kleinste die voorkomt
Deze lading = elementair ladingskwantum e
Elementair ladingskwantum gelijk aan - 1,60 x 10^-19C

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