rileygreen2007 rileygreen2007

15-09-2022
Chemistry

contestada

The half life of a radioactive element is 20 days. How many days will it take for the radioactive sample to decay to 1/8 its size?

Respuesta :

pxison180 pxison180

15-09-2022

Answer: 40 days

Explanation: The substance completely disintegrates in 20 days the substance completely disintegrates in 40 days 1/8 part of the mass of the substance will be left intact at the end of 40 days.

Answer Link

Otras preguntas

Assume that a small country produces only green peppers and red peppers. Last year, it produced 100 green peppers and 50 red peppers and sold them at prices of

Robert Mullins is applying for a mortgage to purchase his first home. His credit rating is mediocre due to several late payments on his credit cards and car loa

What size is North America in comparison to the other continents? first second third fourth

1 When an aero plane took off, it was noted that for every 100 m rise in altitude, the temperature dropped by 1 1/2 C. The plane reached an altitude 25 times th

What integer is represented by the phrase"decreased by 4"?

which britsh document established the right of free speech that was reinforced by this excerpt

What’s the algebraic expression of ? Twice the sum of a number n and 2 ? A 2(n+2) B n+2•2 C 2n+2 D 2+(n+2)

Please help me I don't understand

3 Which of the following is a typical component in the power flow of torque from an engine? out of Select one: O A. Gears in the transmission B. Gears in the fi

Behavioral science includes anthropology, microbiology, and psychology. True False