Chemistry

Chemistry, 29.07.2019 09:30, kleighlamb4901

Gold has a half life of 7653yrs. how many years would it take for 200g sample to be reduced to 25g?

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Biology, 27.06.2019 16:30, keke6361

Ascientist is studying a radioactive element that has a half-life of 63 years. choose the correct answers from the drop-down menus to complete each statement about the element. it will take years for half of the sample to decay. in 189 years, of the sample will be left. scientists can figure out how old a sample is by multiplying the by the length of the half-life.

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Geography, 16.07.2019 20:10, UratazZ

The table below shows the half-life of an element: half-life data element half-life uranium-235 700 million years scientists have found that the uranium-235 content of an unknown prehistoric sample was reduced to one-fourth. what best describes the identity of the sample? a stone artifact that formed 700 million years ago a mammoth that died 1,400 million years ago a cliff that formed 1,400 million years ago a plant that died 700 million years ago

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History, 29.07.2019 16:30, sindy35111

Will mark brainliest ! the table below shows the half-life of an element: half-life data element half-life uranium-235 700 million years scientists have found that the uranium-235 content of an unknown prehistoric sample was reduced to one-half. what best describes the identity of the sample? a. a rock that formed 700 million years ago b. a rock that formed 1,400 million years ago c. an organism that died 700 million years ago d. an organism that died 1,400 million years ago

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Biology, 04.09.2019 00:30, yazzyv05

plz hep p8 points if u do the table below shows the half-life of an element: half-life data element half-life carbon-14 5,730 years scientists have found that the carbon-14 content of an unknown prehistoric sample was reduced to one-half. what best describes the identity of the sample? an organism that died more than 10,000 years ago a rock that formed more than 10,000 years ago an organism that died 5,730 years ago a rock that formed 5,730 years ago

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Gold has a half life of 7653yrs. how many years would it take for 200g sample to be reduced to 25g?...

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