Science Homework Help

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TCC Nuclear Fission Nuclear Chain Reaction & Balancing Reaction Exercises

 

Question 7 :Fluorine-20 has a half-life of 11.0 ss. If a sample initially contains 28.0 μgμg of this isotope, how much remains after 44.0 ss ?

Express your answer in micrograms to three significant figures.

question 4 : Radium-223 nuclei usually decay by alpha emission. Once in every billion decays, a radium-223 nucleus emits a carbon-14 nucleus.

Part A : Write a balanced nuclear equation for alpha emission.

Part B: Write a balanced nuclear equation for carbon-14 emission.

ANSWER THE FOLLOWING QUESTION ATTACHED AS WELL