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25 Apr 2023
PLS ANSWER IMMEDIATLY
- One isotope of Br has a half-life of 16.5 hours. How much of a 2.00-gram sample remains at the end of 1.00 day?
-
The symbol for an electron also used to represent a(n)
- a) Alpha particle
- b) Beta particle
- c) Positron
- b) Gamma-ray
-
The half-life of a radioactive isotope
- a) Changes over time
- b) Is Constant
- c) Is a characteristic of stable isotopes
- d) Decreases in value as time passes
PLS ANSWER IMMEDIATLY
- One isotope of Br has a half-life of 16.5 hours. How much of a 2.00-gram sample remains at the end of 1.00 day?
-
The symbol for an electron also used to represent a(n)
- a) Alpha particle
- b) Beta particle
- c) Positron
- b) Gamma-ray
-
The half-life of a radioactive isotope
- a) Changes over time
- b) Is Constant
- c) Is a characteristic of stable isotopes
- d) Decreases in value as time passes
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