Summary
Samenvatting kernfysica
- Course
- Institution
Dit document biedt een samenvatting van de belangrijkste concepten rond de bouw van atomen en radioactiviteit.
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Bouw van een atoomNucliden : als zowel de atoomnummer en massagetal
Ladin
g gegeven zijn
Isotoop: twee nucliden die zelfde atoomnummer maar
Proton +1 andere massagetal hebben
Massagetal = som van aantal protonen en aantal
Neutron 0 neutronen in de kern
Aantal protonen bepaalt het atoomsoort/ atoomnummer
Elektron -1
Krachten in de atoomkern
- Zwaartekracht
- EM-kracht : afstoten
- Sterke (kern)kracht : aantrekken
Radioactiviteit ontstaat door een onstabiel atoomkern waarbij hij neutronen en
protonen verliest Radioactieve straling
Weergave van radioactiviteit en
radioactieve straling
je kan aflezen dat de zwarte blokken
stabiele nucliden aantonen (vb)
Bissectric
( atoomnummer )
Radioactieve straling
Naam Ladin Bestaat uit doordriningsvermo
g gen
α- +2 2 protonen <
deeltjes
2 neutronen
β- -1 Elektronen > dan α
deeltjes
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