kyanlongmore kyanlongmore
  • 01-03-2021
  • Chemistry
contestada

What is the half-life of Technetium-99 if a 200 gram sample decays to 50 grams in 639,000 years?

Respuesta :

ssatoshi686
ssatoshi686 ssatoshi686
  • 09-03-2021

Answer:

The half-life of Th-232 is 1.4 ∙ 10¹⁰ years.

Answer Link

Otras preguntas

Solve the system of equations by elimination: 3x+y=5 2x-2y=-2 NO LINKS PLEASE
hello.. kindly help me. i'm a bit confused because the answer is negative..see the attached picture : D​
Out of 1700 people 49% were females how many more males than females were at the concert? Pls explain how
Which of the following sentences has proper subject verb agreement? * 1 poir The girls wanted to goes to the store to get cookies for their holiday party. The g
Help me :) ! A plant is already 41 centimeters tall, and it will grow one centimeter every month. The plant's height, h (in centimeters), after m months is give
What is the value of this expression? [2x(3x5)+6]x4
The system of equations y = -2x + 3 and y = x is graphed. What is the solution to the system of equations? ( graph above)(0,0) (1,1)no solutioninfinitely many s
i want to sleep. (+20 points lol) question in image
You and a friend tutor for a total of 12 hours. Use the tape diagram to find how many hours you tutor.
According to the principle of causal determinism, everything that will happen in the future is the consequence of what has happened in the past plus _____.