-
Period: to
1700 - 1800
-
Hydrogen
discovered by Henry Cavendish
The name is derived from the Greek 'hydro' and 'genes' meaning water forming.
Allotropes
H2 -
Nitrogen
discovered by Rutherford
The name is derived from the Greek 'nitron' and 'genes' meaning nitre forming.
Allotropes
N2 -
Oxygen
discovered by Priestly in England ; Scheele in Sweden
The name comes from the Greek 'oxy genes', meaning acid forming.
Allotropes
O2, O3 -
Helium
discovered by Pierre Janssen & Norman Lockyer
The name is derived from the Greek, 'helios' meaning sun, as it was in the sun's corona that helium was first detected. (H) -
Krypton
discovered by Ramsay & Travers
The name is derived from the Greek 'kryptos', meaning hidden.
(84 Kr)