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

a salesman earns 3% commision for selling a chair and 4% commission on selling a table.A chair fetches 7500 kenya shillings.One time,he sold ten tables and earn
4x-y=17, -2x+3y=-26 systems of equations by substitution
Hi! I need help with this
Define the term 'Business Finance '.​
Find the arithmetic mean from the given data: * 12, 10, 15, 18, 23, 17, 10​
I'LL MARK YOU BRAINLIST SO PLS HELP
What is the product of 5,811 x 102 = ________? 5,811 581,100 581,110 581,200
Determine whether the equation has One Solution, No Solution, or Infinitely Many Solutions. −3+3x=3x−1−3
14/6 + 1/5 marking brainliest (show me how you got it)
Write the radical expression in exponential form. [tex] \frac{1}{ \sqrt[2]{x} } [/tex]​