Question and answer
which of the following if a radioisotope used to date rocks formations? a.carbon-14. b. uranium-235. c. cobalt-60. d. carbon-12.
Uranium-235 is a radioisotope used to date rock formations.
Expert answered|Score 1|jeifunk|Points 87711|
Question|Asked by unclaimedkitten
Asked 1/13/2018 8:38:07 AM
Updated 1/13/2018 9:03:12 AM
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This answer has been confirmed as correct and helpful.
Edited by Janet17 [1/13/2018 9:03:10 AM]
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Questions asked by unclaimedkitten
Carbon-14 forms nitrogen-14 by a. alpha decay. b. beta decay. c. gamma decay. d. none of the above
Weegy: Carbon-14 forms nitrogen-14 by beta decay. User: which of the following statements is NOT true? a. you are exposed to nuclear radiation every day. b. most of the nuclear radiation you are exposed to occurs naturally in the environment. c. naturally occurring nuclear radiation is called background radiation. d. all natural radiation is at a level low enough to be safe. (More)
Question|Asked by unclaimedkitten
Expert Answered
Updated 1/13/2018 10:34:20 AM
1 Answer/Comment
All natural radiation is at a level low enough to be safe. -is NOT true.

Added 1/13/2018 10:34:20 AM
This answer has been confirmed as correct and helpful.
alpha-emitting substances, such as rafon gas, can be a serious health hazard only if a. they are inhaled or eaten. b. theif radiation strikes the skin. c. exposure to them is external. d. non of the above.
Weegy: Alpha-emitting substances such as radon gas, can be a serious health hazard only if they are inhaled or eaten. User: which of the following is NOT a step in operation of a Geiger counter? a. nuclear radiation ionizes gas in a tube. b. ionized gas produces an electric current. c. magnets cause the ions to conduct electricity. d. the electric current is detected and measured. Weegy: Magnets cause the ions to conduct electricity is not part of the Geiger counter. (More)
Question|Asked by unclaimedkitten
Expert Answered
Updated 1/13/2018 8:50:59 AM
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the half-life of a radioisotope is the amount of time it takes for a. half thw sample to decay. b. all the sample to decay. c. the age of an artifact to be calculated. d. detectable radiation to be absorbed by a sample
Weegy: The half-life of a radioisotope is the amount of time it takes for half the sample to decay. (More)
Question|Asked by unclaimedkitten
Expert Answered
Updated 1/13/2018 9:04:49 AM
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