Helium was discovered in 1895 by William Ramsay.
Bismuth was discovered around the year 1400.
it was known by the ancients but the year is not specified
1962
1918
james issic newtron
Jimmy newtron
A neutron is an electrically neutral subatomic particle. A Newton is the metric unit of force. A Kilogram is the metric unit of mass. We have no idea what a 'newtron' is.
The Adventures of Jimmy Neutron: Boy Genius aired July 20, 2002 - November 25, 2006 .
Jimmy Newtron
a newtron bomb is the beat bomb in the world.
Newtron Blast (sp?)
Isiac Newtron. when he was jealos of albert ainstain that had invented tecnology.
mickey mouse year:1995
yttrium was discovered in the year 1794.
In the year 1902. Dr. Still discovered ADHD.
It was discovered in 1866.