× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
5
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
New Topic  
fivegrays fivegrays
wrote...
Posts: 39
Rep: 0 0
11 years ago
For instance, the periodic table displays the even numbered elements from 112 to 118, but not the odds. Why have elements 113, 115, and 117 eluded us?
Read 468 times
1 Reply

Related Topics

Replies
wrote...
11 years ago
As you have no other answers....

There are stable isotopes and unstable ones.  Just depends on the stability of the protons and neutrons together, the associated electronic levels etc.

I have no idea why only even ones are known
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1291 People Browsing
Related Images
  
 322
  
 371
  
 1118