An unknown radioactive substance has

A chemist is studying an unknown substance and could break the substance into its elemental components only by using chemical
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2. 153 views
A human body required 0.01 m activity of radioactive substance after 24 hours .Half li of radioactive substance is 6 hours .Then
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2. asked by Aashika Jain
3. 904 views
An unknown radioactive substance has a half-life of 3.20 . If 34.8 of the substance is currently present, what mass was present
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2. asked by cp
3. 606 views
Every week, 2/5 of a radioactive substance remains from an initial amount of 150mg.How many milligrams of the radioactive
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2. 110 views
Nick starts with 20milligrams of a radioactive substance. The amount of the substance decreases by 1/2 each week for a number of
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2. 132 views
Grace starts with 100 milligrams of a radioactive substance. The amount of the substance decreases by 14each week for a number
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2. 116 views
Nick starts with 20milligrams of a radioactive substance. The amount of the substance decreases by 1/2 each week for a number of
1. 1 answer
2. 138 views
An artifact was found with a radioactive substance present. The function f(x)=16(.90)x can be used to determine the amount of
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2. 110 views
Demarco starts with 10 milligrams of a radioactive substance. The amount of the substance decreases by 40% each week for a
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2. 100 views
Nick starts with 20 milligrams of a radioactive substance. The amount of the substance decreases by ½ each week for a number of
1. 1 answer
2. 101 views