k2912382 k2912382

18-01-2017
Chemistry

contestada

1. If you have 25% radioactive parent atoms in a mineral crystal, and 75% daughter atoms, how many half-lives have passed?

Respuesta :

shailajohnson1 shailajohnson1

18-01-2017

too freaking many... or maybe not many at all

Answer Link

Otras preguntas

Solve each equation by graphing. Round to the nearest tenth. X^2+6=-7x A. 0,-7 B. -6,-1 C. 6,1 D. 1,6

What was the effect of the use of literacy tests throughout the South after the U.S. Civil War? A) women were denied the right to vote B) an increase in voter

8= 0.6xwhat is the answer to this

Alexander the great’s origins...

sues to gallons of gas on a 300-mile trip Jen's car used 5 gallons of gas on 140 road trip whose car got more miles per gallon

What is the ratio of 18:16:12?

Which of these events explains the presence of the volcano?

15. Which one of the following sentences is correctly punctuated? A. Look at me, then say what you have to say? B. Smile when you say that, Partner?

Rewrite 6 and 3/4 as a decimal number

Does the map represent the old Manifest Destiny or the new Manifest Destiny? How can you tell?