home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
The Epic Interactive Encyclopedia 1996
/
Epic Interactive Encyclopedia, The (1996)(Epic Marketing)[non-bootable].iso
/
n
/
nucleus
/
infotext
< prev
Wrap
Text File
|
1992-09-02
|
491b
|
16 lines
A nucleus in physics, is the positively
charged central part of an atom, which
constitutes almost all its mass. Except for
hydrogen nuclei, which have only protons,
nuclei are composed of both protons and
neutrons. Surrounding the nuclei are
electrons, of equal and opposite charge to
that of the protons, thus giving the atom a
neutral charge.
A nucleus in biology, is the central,
membrane-enclosed part of a eukaryotic cell,
containing the chromosomes.
Subject by: Shaun Jay