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100g of radioactive element X
100g of radioactive element X are placed in a sealed box. The half-life of this isotope of X is 2 days. After 4 days have
3 answers
asked by
A.S
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Radioactive decay is the process by which an unstable element transforms into different element, typically releasing energy as
4 answers
asked by
james
751 views
An unknown radioactive element decays into non-radioactive substances. In 420 days the radioactivity of a sample decreases by 39
1 answer
asked by
Kim
6,157 views
An unknown radioactive element decays into non-radioactive substances. In 120 days the radioactivity of a sample decreases by 59
1 answer
asked by
Erica
807 views
during radioactive decay atoms of a radioactive element break down and change into other atoms of another element-all at once
a)
2 answers
asked by
victoria
975 views
How many half-lives does it take a radioactive substance to decay until only one-eighth of the original substance remains?
a
1 answer
24 views
26. How many half-lives does it take a radioactive substance to decay until only one-eighth of the original substance remains?
A)
1 answer
21 views
26. How many half-lives does it take a radioactive substance to decay until only one-eighth of the original substance remains?
a
1 answer
20 views
Which of the following statements about radioactive dating is true?
a. Radioactive decay is the rate at which new atoms form. b.
70 answers
asked by
Anonymous
19,568 views
what temperature would each of the following solubility be observed?
a. 50g KCL in 100g H2O b. 100g NaNO3 in 100g H2O c. 60g KNO3
2 answers
asked by
Kirby
1,131 views