shawntae1961 shawntae1961
  • 20-05-2023
  • Chemistry
contestada

a sample contains 10.5 g of the radioisotope pb-212 and 157.5 g of its daughter isotope, bi-212. how many half-lives have passed since the sample originally formed?

Respuesta :

Otras preguntas

Find the area of this shape below
. A coin is flipped 100 times and it lands on HEADS 61 times and TAILS 39 times. Find the experimental probability that the coin lands on TAILS. Express all pro
The radius of a circle is 6mm. What is the area of the shaded portion of the circle.
Pleaaaase hellp me will mark u brainly for both answers!!! Thank u if u do really appreciate it.
All seven of the southern countries of South America were controlled by: Russia Spain Germany
Please help me I will give out the brain thing and extra points I had started my research on the mines with the goal of writing about the mine itself; the look
????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
3(12x2+x+1)+12(12x2+x+1)=15(12x2+x+1)
Can someone help me with this
What was the key difference between the ideas of Herbert Hoover and Franklin D Roosevelt regarding economic problem solving?