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Samenvatting Anorganische chemie, hoofdstuk 1

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Dit is de samenvatting van het 1e hoofdstuk van anorganische chemie.

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Uploaded on
December 7, 2022
Number of pages
3
Written in
2019/2020
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Summary

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Structuuraspecten van de materie
1. Samenstelling van materie:
Materie



Zuivere stof Mengsel
Verzameling van 2 of meer
zuivere stoffen



Enkelvoudige stof Samengestelde stof
1 atoomsoort = element meerdere soorten atomen




2. Samenstelling van een atoom:
Werkelijke atoommassa: zeer klein  27 *10-27kg = u
Relatieve atoommassa: veel groter  meer gebruikt  te vinden in periodiek systeem

Atoom



Nucleonen Elektronen (-)



Protonen (+) Neutronen (0)

3. Atoomnummer Z en Massagetal M
Nuclide: aantal protonen en aantal neutronen in kern is bekend
Atoomnummer (Z): aantal protonen in de kern = aantal elektronen in de schillen
Massagetal (M): relatieve massa van het atoom = aantal protonen + aantal neutronen

4. Isotopen
Definitie: Atomen die tot eenzelfde groep behoren, met eenzelfde atoomnummer, maar een
verschillend massagetal  verschillend aantal neutronen
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