Absolute Dating Question Preview (ID: 33711)
Using Lab Knowledge To Learn About Absolute And Radioactive Dating.
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In total there are 50 total atoms. If there are 36 undecayed atoms, how many decayed atoms are present?
a) 14
b) 36
c) 22
d) 50
Carbon-14 has how many protons?
a) 6
b) 8
c) 14
d) 12
What charge does a neutron carry?
a) None (neutral)
b) Positive
c) Negative
d) Half
In the lab, the M and Ms represent
a) Parent atoms
b) Daughter atoms
c) Decayed atoms
d) Candy
In the lab, the split peas represent
a) Decayed atoms
b) Undecayed atoms
c) Green M and Ms
d) Vegetables
How many atoms decay in one half life?
a) Half, 50%
b) All, 100%
c) None, 0%
d) 3/4, 75%
Which isotope did the PHET simulation use?
a) Carbon-14
b) Carbon-12
c) Potassium-40
d) Candium
An isotope has a different number of
a) Neutrons
b) Protons
c) Electrons
d) Atoms
Decay refers to
a) How radioactive atoms change into stable atoms
b) Creating bigger atoms
c) How old something is
d) The amount of atoms in a sample
After two half lives, what percentage of parent atoms remain?
a) 25%
b) 50%
c) 12.%
d) 0%
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