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 :

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

true or false a trapezoid is a polygon, so all polygons are trapezoid. explain.

THE EXPRESSION (TAN THETA) (CSC THETA) IS EQUAL TO?

25% of what nember is 19

Solve the equation log 6x - 3 = -4

how many rectangular prism can you make out of 20 snap of cubes

What is 574 in expanded form

when gravity causes a huge amounts of rock or soil to be carried down a slope this form of erosion is referred to as a

at what point do scientists classify an area's weather as its climate? 1 year ,5 years ,15 years or 30 years

Solve the equation log 6x - 3 = -4

which of the following organisms feeds on the largest variety of producers