almanzajosselyn almanzajosselyn
  • 03-05-2021
  • Physics
contestada

According to the graph, how many atoms would remain after two half-lives?

20 atoms

80 atoms

40 atoms

50 atoms

According to the graph how many atoms would remain after two halflives 20 atoms 80 atoms 40 atoms 50 atoms class=

Respuesta :

hannjr hannjr
  • 03-05-2021

Answer:

Let No be initial no of atoms

N = N0 / 2      after 1 half-life

N = N0 / 4     after 2 half-lives

So after 2 half-lives 20 of the 80 atoms remain

Answer Link

Otras preguntas

44+>5 <}♢♤《¤4□■♤{>what is the answer to this question​
What are some possible negative effects created from the invention of printmaking? How do you think these were handled?
A salesman makes 4% commission on sales. What is his commission on $8,472 worth of sales?
How do the sun’s gravity and the earth’s inertia keep us orbiting in the solar system?
What were the historical settings during the Harlem Renaissance?
chapter 9 sections 2 & 3​
Which kingdom(s) include organisms that are autotrophic or heterotrophic?
In which war was The Battle of Agincourt?
Extremly need help on this questions​
Please help and thank you