Spørgsmål til emnet atomfysik
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Hvad består et atom af? | En kerne med protoner og neutroner
Omkring er der skaller med elektroner i.
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Hvad kaldes protoner og neutroner? | Nukleoner
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I virkeligheden er elektronerne ikke i skaller men i en... | Elektronsky
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Hvad består protoner og neutroner af | Kvarker
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Hvilke typer kvarker findes der? | Up/down
top/buttom
strange/charm
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Hvad betegner Z? | Atomnummer - antal protoner i et neutral atom
#e=Z
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Hvad betegner N? | Antal neutroner i et atom
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Hvad betegner A? | Antal protoner og neutroner
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Hvad er elektronens ladning? | -e = -1,602*10^-19C
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Hvad er det synlige spektrum? | ca 360nm-750nm
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Hvordan udregner man energien af en foton | E_foton = h*f
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Hvad er Plancks konstant? | 6,63*10^-34J*s
eller
4,14*10^-15eV*s
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