A certain radioactive substance has 122,200 atoms with a half-life of 12 minutes. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part How many atoms of the original radioactive element are likely to remain after 1 hour and 24 minutes? The number of atoms that remain after 1 hour and 24 minutes is

A certain radioactive substance has 122,200 atoms with a half-life of 12 minutes. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part How many atoms of the original radioactive element are likely to remain after 1 hour and 24 minutes? The number of atoms that remain after 1 hour and 24 minutes is

An Introduction to Physical Science

14th Edition

ISBN:9781305079137

Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Chapter24: Geologic Time

Section: Chapter Questions

Problem 1VC

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Similar questions

How much energy is released when a proton combines with a deuterium nucleus to produce tritium, 3He?
A radioactive substance is known to have a half-life of 78 years. Calculate the number of years it would take for this substance to decrease to 10% its original amount.
A particular isotope has a half-life of 74 days. If you start with 1 kilogram of this isotope, how much will remain after 140 days? after 280 days?
If a sample of radioactive isotopes takes 60 minutes to decay from 200 grams to 50 grams, what is the half-life of the isotope? Hint: First, determine how many times the sample has lost half of its mass, which tells you how many half-life cycles have occurred.
A wooden boat discovered just south of the Great Pyramid in Egypt had a carbon-14 contains of approximately 50% of that found in the living organism. How old is the bolt? (The half-life of carbon-14 is 5715 years)
An isotope of a radioactive element has half-life equal to 9 thousand years. Imagine a sample that is so old that most of its radioactive atoms have decayed, leaving just 25 percent of the initial quantity of the isotope remaining. How old is the sample? Give your answer in thousands of years, correct to one decimal place.
The half-life of a radioactive isotope is the time it takes for a quantity of the isotope to be reduced to half its initial mass. Starting with135 grams of a radioactive isotope, how much will be left after 6 half-lives? Use the calculator provided and round your answer to the nearest gram.