First 'Periodic Table' Elements Discovered - Statistics

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Answer Stats

Order	Year	Observed by	Z	Symbol	Element	% Correct
7	1766	Henry Cavendish	1	H	Hydrogen	100%
8	1771	Carl Wilhelm Scheele	8	O	Oxygen	100%
9	1772	Daniel Rutherford	7	N	Nitrogen	95%
1	1669	Hennig Brand	15	P	Phosphorus	90%
2	1735	Georg Brandt	27	Co	Cobalt	67%
4	1751	Axel Fredrik Cornstedt	28	Ni	Nickel	52%
6	1755	Joseph Black	12	Mg	Magnesium	43%
3	1735	Antonio de Ulloa	78	Pt	Platinum	33%
10	1772	Carl Wilhelm Scheele	56	Ba	Barium	29%
5	1753	Claude François Geoffroy	83	Bi	Bismuth	24%

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