
Sitzung 1 2023
Authored by Bernard Hoffmann
Chemistry
University
Used 4+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wie viel Prozent des anfänglichen 14C Gehalts einer Probe sind nach 4 Halbwertszeiten noch übrig?
25%
40%
12,5%
6,25%
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wie weit kann man anhand der 14C Methode zurückdatieren?
5730 Jahre
+ – 50.000 Jahre
+ – 100.000 Jahre
Solange die Probenmenge groß genug ist, kann man noch viel weiter zurückdatieren
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wie nimmt der Körper 14C auf?
Durch die Atmung
Durch die Haut
Durch die Nahrung
Alle Drei
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wann beginnt der Zerfall von 14C?
Wenn es in des Körper gelangt
Wenn der Körper stirbt
Wenn das 14C entsteht
Wenn es nicht mehr mit Sauerstoff in Berührung ist
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wie viele Neutronen hat 14C?
6
7
8
9
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Welche C-Isotopen sind radioaktiv?
12C
12C und 13C
13C und 14C
14C
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Welches C-Isotop hat die geringste Masse?
Die Masse ist immer gleich
12C
13C
14C
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