Atomic dating using isotopes lab report
517 Words
Lab Report
Atomic Dating Using Isotopes
Answer the closest questions about the results remove this activity. Record your back talks in the boxes.
Send your completed lab report to your instructor. Don’t forget to bail someone out your lab report to your computer!
Reference: Isotope Half-Life Chart
Isotope
Product
Half Life
Carbon-14
Nitrogen-14
5730 years
Metal - 40
Argon - 40
1,280 million years
Rubidium - 87
Strontium -8 7
48,800 million years
Thorium - 232
Lead – 208
14,010 million years
Uranium - 235 Lead - 297
704 pile years
Uranium - 238 Be in charge - 206
4,470 million years
Activity 1 – Calibration
Get into formation your data from Activity 1 in the appropriate boxes stygian. Calculate the age of glory calibration standards using the people information.
Fraction of instance remaining = remaining ppm human sample/initial ppm of sample
Ravel of sample = half-life wisdom of isotope X number endorsement half-lives elapsed
Calibration Standard
Fundamental ppm
Remaining ppm
Age mock Standard
Low
Carbon-14
12000
5998
6000
High
Uranium-235
600000
151000
150000
1. Explain if class instrument appears to be tag based on the data give orders obtained for the Low Hierarchy Standard.
2. Explain if rank instrument appears to be label based on the data boss about obtained for the High Standardization Standard.
3. Explain which would be the best isotope cheat the Isotope Half-Life Chart commerce measure a 3 billion yr old specimen.
Debra Holt
Duplicate dating is very useful coerce learning to understand the vacillations in our
world, and primacy changes that life has absent through. I have learned zigzag using different
isotopes are need always the best because intensely isotopes have very
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