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In general, in one half-life, half of the parent will have decayed.In two half-lives, half of the remainder will decay, meaning 3/4 in all will have decayed.When one considers the power of God, one sees that any such conclusions are to some extent tentative. Some fossils are found in Precambrian rocks, but most of them are found in Cambrian and later periods.
By measuring the ratio of daughter to parent, we can measure how old the sample is. Each radioactive element has a half-life, which tells how long it takes for half of the element to decay.
For potassium 40, the half-life is about 1.3 billion years.
This gives us the impression that all but a small percentage of the dates computed by radiometric methods agree with the assumed ages of the rocks in which they are found, and that all of these various methods almost always give ages that agree with each other to within a few percentage points.
Since there doesn't seem to be any systematic error that could cause so many methods to agree with each other so often, it seems that there is no other rational conclusion than to accept these dates as accurate.
After 1 half-life, how many C-14 atoms of the 1000 original remain?
How radiometric dating works in general Why methods in general are inaccurate Why K-Ar dating is inaccurate The branching ratio problem How Errors Can Account for the Observed Dates Why older dates would be found lower in the geologic column especially for K-Ar dating Do different methods agree with each other on the geologic column?
View Lab Report - half life lab from AL 1 at Bethel Park Hs. preview: Intro to Half-Life Ph ET Lab (Radioactive Dating Game) Introduction: ... Radioactive Dating Game (22 Points) ~ Answer Key ...
Further Investigation on half-life: Use the Half Life tab in the simulation to answer the ... Use the table to answer the following questions: ... Go To: .edu/en/simulation/radioactive-dating-game.
After study and discussion of this question, I now believe that the claimed accuracy of radiometric dating methods is a result of a great misunderstanding of the data, and that the various methods hardly ever agree with each other, and often do not agree with the assumed ages of the rocks in which they are found.Tags: Adult Dating, affair dating, sex dating