Seudónimo Seudónimo
  • 25-05-2017
  • Chemistry
contestada

You started with 64 g of a radioactive substance. If you have 4.0 g of that substance left, then how many half-lives have elapsed?
a. 2
b. 3
c. 4
d. 5

Respuesta :

dakotastardy dakotastardy
  • 25-05-2017
4 half lives have elapsed
Answer Link

Otras preguntas

Corresponding part if RST=TXY RS= A) TX B) TY C) XY
What Christian religious group pushed for the abolition of slavery? Quakers Protestants Puritans Catholics
A train traveling at a constant speed takes a passenger from Elm to Millwood, stopping at Centre along the way. It takes 2004-01-03-03-00_files/i0260000.jpg tim
A car is moving 5.82 m/s when it accelerates at 2.35m/s^2 for 3.25s. how far does it travel?
Which vital mineral used in making cell phones, wireless devices, nuclear reactors, gaming consoles, and computer chips is being exploited in the eastern Congo?
Which is correct? Kody’s lab partner sterilizes the instruments just as frequently as (her/she) Her or she?
if you have 20 inches of ribbion what is 30 percent
What is 3x3 – 11x2 – 26x + 30 divided by x – 5?
What makes Thucydides' job as a scholar of history more challenging?
Georgia’s counties were organized so that people always lived near