home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
WWII Attack! from Pearl Harbor to Potsdam
/
WWII Attack - From Pearl Harbor to Potsdam - Disc 2.iso
/
pc
/
media
/
modules
/
atmphysc.dxr
/
00170_Text_170.txt
< prev
next >
Wrap
Text File
|
1999-06-04
|
294b
|
8 lines
What is the mass defect in the helium nucleus?
(mass defect ) = Zm + Nm - m
The helium nucleus has a mass of 4.00151 atomic mass units (amu). The mass of a proton is 1.00727 amu and the mass of a neutron is 1.00866 amu.
= 2 x (1.00727 ) + 2 x (1.00866) - 4.00151 amu
= 0.03035 amu