Neptune was discovered on September 23, 1846. They discovered it while they were studying Uranus.
helium in a jar diff from helium atom
The abbreviation for gas helium is He.
There is no word equation, except that helium will exist as liquid phase in liquid helium
Helium doesn't have an abbrevaition but its chemical symbol is He.
In 1868 by Pierre Janssen.
it was discoved in July 19,1799
Howard Carter discoved tutu carmoon
greek
europeans
j cole
by a bunch of baboons
who discoved endosulphan
no one
Vitus Bering.
Alessandro Volta in 1800
Dr gordon