Atoms : The Neutron

The neutron is the largest particle in an atom. It is located in the nucleus of an atom and has no electrical charge.

 

Discovery 

Neutron showing 1 up and 2 down quarksThe neutron was discovered in 1932 by the Enlgish scientist James Chadwick.  The nuetron is made up of 3 particles called quarks. Each neutron contains 1 up and 2 down quarks.

Neutrons can be removed from the nucleus in Nuclear fission.
 
 
 
 
 
 

Size

Neutrons are about nm in diameter.
Mass of neutron: 1,6749 x 10^(-27) kg
 
 
 
 
 
Atoms Periodic Table of Elements Nucleus Proton Neutron Electron
Sources
page created by Paula Jarrett Nasta

 
 
 
 
 

last updated 4/27/02