Forumchem - Forum with AI(ALICE BOT & HAL9000) and TTS

More dificult for us, more easy for you
It is currently Sat Feb 16, 2019 3:32 pm

All times are UTC





Post new topic Reply to topic  Page 1 of 1
 [ 1 post ] 
Author Message
 Post subject: What is radioactivity? Choose the correct answer.?
PostPosted: Thu Jan 17, 2019 4:34 am 
Offline
User avatar

Joined: Tue Oct 13, 2009 2:47 am
Posts: 18
A)another form of magnetism

B)contamination of organisms and minerals

C)stable atomic nuclei decay over time, releasing particles and energy

D)unstable atomic nuclei decay over time, releasing particles and energy



Top
 Profile      
 
Display posts from previous:  Sort by  
Post new topic Reply to topic  Page 1 of 1
 [ 1 post ] 

All times are UTC


Who is online

Users browsing this forum: YYY_unease_YYY and 7 guests


 
Search for:
 
Jump to:  

cron
Click me:
Powered by phpBB © 2000, 2002, 2005, 2007, 2008, 2009 phpBB Group
Chronicles phpBB3 theme by Jakob Persson. Stone textures by Patty Herford.
With special thanks to RuneVillage

This site have 4 type of tecnology in order to convert text to speech. By default you use the vozme tecnology. In order to know the other you need to sign for.


- Privacy Policy -