First 'Periodic Table' Elements Discovered

Do you know which elements are discovered first? You can answer using Z (atomic number), symbol, or element name.
Recorded findings only!
Quiz by krioN
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Last updated: December 2, 2018
First submittedDecember 2, 2018
Times taken20
Average score60.0%
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Order
Observed or predicted
Answer
 
by
Z
Symbol
Element
1
1669
Hennig Brand
15
P
Phosphorus
2
1735
Georg Brandt
27
Co
Cobalt
3
1735
Antonio de Ulloa
78
Pt
Platinum
4
1751
Axel Fredrik Cornstedt
28
Ni
Nickel
5
1753
Claude François Geoffroy
83
Bi
Bismuth
6
1755
Joseph Black
12
Mg
Magnesium
7
1766
Henry Cavendish
1
H
Hydrogen
8
1771
Carl Wilhelm Scheele
8
O
Oxygen
9
1772
Daniel Rutherford
7
N
Nitrogen
10
1772
Carl Wilhelm Scheele
56
Ba
Barium
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