Graciouzgigi9983 Graciouzgigi9983

22-05-2017
Physics

contestada

After two hours, 1/16 of the initial amount of a certain radioactive isotope remains undecayed. The half-life of the isotope is:

Respuesta :

orisisa orisisa

22-05-2017

The half life is 30 minutes.
30 mins- 1/2 left
60 mins- 1/4 left
90 mins- 1/8 left
120 mins- 1/16 left
120 mins= 2 hours

Answer Link

Otras preguntas

Select all answers that apply. Wave diffraction depends on the: size of the obstacle. wavelength of the waves. speed of the waves. mood o

Zoe is drawing a picture of a rectangle. How many sides will be the same length

1/2/3 in simplest form

Last night, Jason introduced me to a friend of his. Whose hair was all the way down to the back of his knees in a single dreadlock. is this sentence correct

What did people do when the Dow jones industrial average began to drop sharply in late October 1929

Quality and balanced nutrition for nigeria child

Someone whose speech is short and to the point can be described as ? a. banal , b. verbose , c. laconic , d. loquacious

A homeowner leans a ladder against his house so that the top of the ladder makes a 31 degree angle with the house. What angle does the bottom of the ladder mak

Daniel Allen has been a patient at Greenway Hospital for the following ailments: January 8, 2012, inpatient for appendicitis; April 16, 2012, emergency departme

What political issues did reformers address