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Periodic Table of Elements by Year of Discovery Proximity in 90 Seconds

When you type an element, all the ones discovered between 10 years before and 10 years after will appear, too.

Elements discovered before 1000 AD are treated differently: type one of them and they will all appear.

Answers are sorted by year of discovery.
Data from Wikipedia, "Observed or predicted" year is considered
There is only one element that is 'alone', ie typing it won't reveal any other ones
Typing any of the two elements discovered in 1807 reveals 19 elements
Quiz by scambigol
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Last updated: April 11, 2018
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First submittedApril 11, 2018
Times taken810
Average score77.1%
Rating4.60
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1
H
2
He
3
Li
4
Be
5
B
6
C
7
N
8
O
9
F
10
Ne
11
Na
12
Mg
13
Al
14
Si
15
P
16
S
17
Cl
18
Ar
19
K
20
Ca
21
Sc
22
Ti
23
V
24
Cr
25
Mn
26
Fe
27
Co
28
Ni
29
Cu
30
Zn
31
Ga
32
Ge
33
As
34
Se
35
Br
36
Kr
37
Rb
38
Sr
39
Y
40
Zr
41
Nb
42
Mo
43
Tc
44
Ru
45
Rh
46
Pd
47
Ag
48
Cd
49
In
50
Sn
51
Sb
52
Te
53
I
54
Xe
55
Cs
56
Ba
72
Hf
73
Ta
74
W
75
Re
76
Os
77
Ir
78
Pt
79
Au
80
Hg
81
Tl
82
Pb
83
Bi
84
Po
85
At
86
Rn
87
Fr
88
Ra
104
Rf
105
Db
106
Sg
107
Bh
108
Hs
109
Mt
110
Ds
111
Rg
112
Cn
113
Nh
114
Fl
115
Mc
116
Lv
117
Ts
118
Og
57
La
58
Ce
59
Pr
60
Nd
61
Pm
62
Sm
63
Eu
64
Gd
65
Tb
66
Dy
67
Ho
68
Er
69
Tm
70
Yb
71
Lu
89
Ac
90
Th
91
Pa
92
U
93
Np
94
Pu
95
Am
96
Cm
97
Bk
98
Cf
99
Es
100
Fm
101
Md
102
No
103
Lr
Element
Copper (9000 BCE)
Lead (7000 BCE)
Gold (Before 6000 BCE)
Silver (Before 5000 BCE)
Iron (Before 5000 BCE)
Carbon (3750 BCE)
Tin (3500 BCE)
Sulfur (Before 2000 BCE)
Mercury (Before 2000 BCE)
Zinc (Before 1000 BCE)
Arsenic (Before 300 CE)
Antimony (Before 800 CE)
Phosphorus (1669)
Cobalt (1735)
Platinum (1735)
Nickel (1751)
Bismuth (1753)
Magnesium (1755)
Hydrogen (1766)
Oxygen (1771)
Nitrogen (1772)
Barium (1772)
Chlorine (1774)
Manganese (1774)
Element
Molybdenum (1778)
Tungsten (1781)
Tellurium (1782)
Strontium (1787)
Zirconium (1789)
Uranium (1789)
Titanium (1791)
Yttrium (1794)
Chromium (1797)
Beryllium (1798)
Vanadium (1801)
Niobium (1801)
Tantalum (1802)
Palladium (1802)
Cerium (1803)
Osmium (1803)
Iridium (1803)
Rhodium (1804)
Potassium (1807)
Sodium (1807)
Calcium (1808)
Boron (1808)
Fluorine (1810)
Iodine (1811)
Element
Lithium (1817)
Cadmium (1817)
Selenium (1817)
Silicon (1823)
Aluminium (1825)
Bromine (1825)
Thorium (1829)
Lanthanum (1838)
Erbium (1843)
Terbium (1843)
Ruthenium (1844)
Cesium (1860)
Rubidium (1861)
Thallium (1861)
Indium (1863)
Helium (1868)
Gallium (1875)
Ytterbium (1878)
Holmium (1878)
Thulium (1879)
Scandium (1879)
Samarium (1879)
Gadolinium (1880)
Praseodymium (1885)
Element
Neodymium (1885)
Germanium (1886)
Dysprosium (1886)
Argon (1894)
Europium (1896)
Krypton (1898)
Neon (1898)
Xenon (1898)
Polonium (1898)
Radium (1898)
Radon (1899)
Actinium (1902)
Lutetium (1906)
Rhenium (1908)
Protactinium (1913)
Hafnium (1922)
Technetium (1937)
Francium (1939)
Neptunium (1940)
Astatine (1940)
Plutonium (1940-1941)
Promethium (1942)
Curium (1944)
Element
Americium (1944)
Berkelium (1949)
Californium (1950)
Einsteinium (1952)
Fermium (1952)
Mendelevium (1955)
Lawrencium (1961)
Nobelium (1966)
Rutherfordium (1969)
Dubnium (1970)
Seaborgium (1974)
Bohrium (1981)
Meitnerium (1982)
Hassium (1984)
Darmstadtium (1994)
Roentgenium (1994)
Copernicium (1996)
Flerovium (1999)
Livermorium (2000)
Oganesson (2002)
Moscovium (2003)
Nihonium (2003-2004)
Tennessine (2009)
KingEureka
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Level 62
Jul 26, 2020
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