miyiab1721 miyiab1721

23-12-2017
Chemistry

contestada

When a radioactive sample decays for 2 half-lives the amount remaining will be ____ of the original?

Respuesta :

23-12-2017

1/4 of the original.

Answer Link

Otras preguntas

Use a number line to show why this is true.(+3)-(-2)=(+3)+(+2)

Match the structural formula to the chemical formula for this substance. A C is bonded to H above, below and to the left, and to a second C to the right. That C

Which countries were invaded by Germany? Select all that apply.

El sol tiene la forma de un ________. línea triángulo círculo óvalo

Define the term, technique, and its relation to media. Why is the technique and media used important?

if the half-life of substance A is 1.5 years, how long would it take a 8.0 gram sample of substance A to decay such that only 1.0 gram remained

Review Questions O Esime After 5 minutes, what do you expect will happen to the temperature of the ice and water? Answer

Jenny drove 660 miles in 12 hours at the same rate how long would it take her to drive 385 miles

Agraduated cylinder weighs 100.0 g. If you add 20.0 g of water and 10 pennies, the mass is now 149.5 g. What is the average mass of the added pennies?

A glass vase factory recently produced 5 vases that were chipped and 30 vases that were not. Considering this data, how many of the next 84 vases would you expe