tjdondelinger tjdondelinger

10-05-2017
Geography

contestada

how much thorium 234 will remain after 3 half lives

Respuesta :

jess9920 jess9920

10-05-2017

3 half lives = 3x 5730 years = 17190 years

Answer Link

Otras preguntas

How do you say ' I have two pets' in Spanish? My mind has gone blank!

Which sentence does not contain any punctuation errors? A.Vegetables, fruits, and whole grains are healthful, but doughnuts, cake, and candy are not. B.Vegetab

how does the religions influence thier government

Which poet could be described as part of "The Movement" of the 1950s? a) Thom Gunn b) Dylan Thomas c) Pablo Picasso d) Philip Larkin e) both a and d

Pipe A can fill a swimming pool in 12 h. Working with another Pipe B, it only takes 3h How long would it take Pipe B working alone to fill the pool

what are five observable properties of matter?

All of the following statements about colonial politics are true EXCEPT (A) the legislatures controlled taxes and expenditures (B) voting rights were limited to

the rise of fascism in germany between worl war 1 and world war 2 is often associated with?

A rectangular lot that measures 150 ft by 200 ft is completely fenced. What is the approximate length, in feet, of the fence? Can someone explain me how to make

What holds solid sodium together? A. hydrogen bonding B. metallic bonding C. ionic bonding D. dipole forces E. van der Waals forces (London dispersion forces)