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% 100 80 60 40 20 0 Percentage of undecayed nuclei About 11 0 10 20 30 40 50 t = 100 s N = 1 ➜t(s) 60 70 80 90 100

% 100 80 60 40 20 0 Percentage of undecayed nuclei About 11 0 10 20 30 40 50 t = 100 s N = 1 ➜t(s) 60 70 80 90 100

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter18: Nuclear Chemistry
Section18.4: Rates Of Disintegration Reactions
Problem 18.6PSP
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Use the definition of half-life to support why you pointed to a specific part of the image to make the claim the half-life is about 11 seconds
% 100 80 60 40 20 0 Percentage of undecayed nuclei About 11 0 10 20 30 40 50 60 t = 100 s N = 1 ➜t(s) 70 80 90 100
Transcribed Image Text:% 100 80 60 40 20 0 Percentage of undecayed nuclei About 11 0 10 20 30 40 50 60 t = 100 s N = 1 ➜t(s) 70 80 90 100
CLAMM: (Answer the question.) The half-life is about 11 seconds. EVIDENCE: (Point readers to the part of the image that supports your claim.) On the y-axis when undecayed nuclei is 50%, it means 50% of the nuclei has reacted and it gives the half-life of the isotope. REASONING: (Define half-life and use the definition to support why you pointed to a specific part of the image to make your claim.) Half-life is the time it takes for half of the original amount of a radioactive sample to decay.
Transcribed Image Text:CLAMM: (Answer the question.) The half-life is about 11 seconds. EVIDENCE: (Point readers to the part of the image that supports your claim.) On the y-axis when undecayed nuclei is 50%, it means 50% of the nuclei has reacted and it gives the half-life of the isotope. REASONING: (Define half-life and use the definition to support why you pointed to a specific part of the image to make your claim.) Half-life is the time it takes for half of the original amount of a radioactive sample to decay.
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