FIRST 20 ELEMENTS INVENTOR AND VALENCY
|
ELEMENT
|
VALENCY
|
INVENTOR
|
|
HYDROGEN
|
1
|
HENRY
CAVENDISH
|
|
HELIUM
|
0
|
JOSEPH
NORMAN LOCKYER
|
|
LITHIUM
|
1
|
JOHAN
AUGUST ARFWEDSON
|
|
BERELIUM
|
2
|
LOUIS-NICOLAS
VAUQUELIN
|
|
BORON
|
3
|
JOSEPH
LOUIS GAY-LUSSAC
|
|
CARBON
|
4
|
HUMHRY
DAVY
|
|
NITROGEN
|
3,5
|
DANIEL
RUTHERFORD
|
|
OXYGEN
|
2
|
JOSEPH
PRIESTLEY
|
|
FLUORINE
|
1
|
FERDINAND
FREDARAC HENRI MOISSAN
|
|
NEON
|
0
|
SIR
WILLIAM RAMSAY
|
|
SODIUM
|
1
|
HUMHRY
DAVY
|
|
MAGNESIUM
|
2
|
JOSEH
BLACK
|
|
ALUMINIUM
|
3
|
HANS
CHRISTIAN ORSTED
|
|
SILICON
|
4
|
JONS
JACOB BERZELIUS
|
|
PHOSPHORUS
|
5
|
HENNING
BRAND
|
|
SULPHUR
|
6
|
-----
|
|
CHLORINE
|
1
|
CARL
WIHELM SCHEELE
|
|
ARGON
|
0
|
SIR
WILLIAM RAMSAY
|
|
POTASSIUM
|
1
|
HUMHRY
DAVY
|
|
CALCIUM
|
2
|
HUMHRY
DAVY
|
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