Why is potassium-argon dating most

Why is potassium-argon dating most applicable to dating very old rocks?potassium’s long half-life potassium’s short
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2. asked by Anonymous
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You suspect that a sample of rock dates from about 200,000 years ago. If you want to determine an absolute date for this rock,
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2. 15 views
Potassium-40 undergoes radioactive decay to become argon-40. The half-life is 1.3 billion years. Which measurement would be most
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2. 21 views
The isotope potassium-40 (40K) decays into the isotope argon-40 (40Ar) with a half-life of 1.25 billion years. Suppose we find a
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2. asked by cindy
3. 1,290 views
Potassium-40 has a half life of 1.2 billion years and decays into the stable daughter isotope Argon-40. If you find a rock that
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2. asked by lex
3. 1,136 views
Question 39Match each element to its correct group. Column A 1. Silver (Ag): Silver (Ag) 2. Barium (Ba): Barium (Ba) 3. Iodine
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2. 9 views
Match each element to its correct group.Column A 1. Silver (Ag): Silver (Ag) 2. Barium (Ba): Barium (Ba) 3. Iodine (I): Iodine
1. 1 answer
2. 4 views
Match each element to its correct group.Column A 1. Silver (Ag): Silver (Ag) 2. Barium (Ba): Barium (Ba) 3. Iodine (I): Iodine
1. 1 answer
2. 76 views
Match each element to its correct group.Column A 1. Silver (Ag): Silver (Ag) 2. Barium (Ba): Barium (Ba) 3. Iodine (I): Iodine
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2. asked by URMUM
3. 185 views
what is the age of a rock whoseArgon 40 / Potassium 40 ratio is 1.55? The half life of Potassium 40 is 1.28 x 10^9 years I am
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2. asked by Andrew
3. 1,807 views