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Hvad er atomnummeret betegnet ved i det periodiske system? Z
Hvad kaldes atomnummeret Z også? Protontallet
Hvad kaldes antallet N af neutroner i en kerne? Neutrontallet
Hvad er formlen for det samlede antal protoner og neutroner i kernen? A = Z + N
Hvad kaldes det samlede antal protoner og neutroner i kernen? Nukleontallet
Hvilken opbygning har en elektron? Udelelig
Hvilket symbol har en proton og hvilken ladning har den? Symbol: P Ladning: +e
Hvordan lyder formel for energien af en foton? Efoton=h*f
Hvilke egenskaber har lys? Bølge og partikelegenskaber
Hvordan lyder Bohrs 1. postulat? 1. Stationære tilstande Et atom kan eksistere i en række stationære tilstande. I hver stationær tilstand har atomet en bestemt energi.
Created by: 100001084678138