× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
New Topic  
lfontes lfontes
wrote...
11 years ago
12. What element results if two protons and two neutrons are ejected from a radium nucleus?
Read 2621 times
1 Reply

Related Topics

Replies
wrote...
11 years ago
Radium atomic number = 88 (+138 neutrons) (226 at wt)
lose 2 protons and atomic number = 86 (Rn radon)
lose 2 neutrons (136-2=134) and at wt = 222 (86+134) = radon
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1296 People Browsing
Related Images
  
 136
  
 174
  
 99
Your Opinion
Where do you get your textbooks?
Votes: 372