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Every Element's Atomic Number - Within 15

Guess every element's atomic number within 15 of the correct answer!
Don't lose your five lives or you're out!
You must type three digits for every answer (e.g. 003 for Lithium)
Quiz by
barmanitan
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Last updated: April 9, 2026
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First submittedApril 8, 2026
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Element
Atomic #
Darmstadtium
110
Cobalt
027
Neodymium
060
Holmium
067
Wolfram
074
Astatine
085
Lawrencium
103
Einsteinium
099
Titanium
022
Moscovium
115
Cesium
055
Sulfur
016
Francium
087
Radium
088
Helium
002
Rubidium
037
Mercury
080
Bismuth
083
Yttrium
039
Argon
018
Nobelium
102
Rutherfordium
104
Thulium
069
Nitrogen
007
Curium
096
Potassium
019
Actinium
089
Vanadium
023
Platinum
078
Meitnerium
109
Scandium
021
Mendelevium
101
Seaborgium
106
Bohrium
107
Lanthanum
057
Indium
049
Livermorium
116
Oganesson
118
Hassium
108
Europium
063
Element
Atomic #
Selenium
034
Flerovium
114
Arsenic
033
Hafnium
072
Ytterbium
070
Zinc
030
Osmium
076
Tennessine
117
Antimony
051
Krypton
036
Dysprosium
066
Manganese
025
Roentgenium
111
Gallium
031
Gadolinium
064
Xenon
054
Americium
095
Nihonium
113
Polonium
084
Tellurium
052
Samarium
062
Berkelium
097
Technetium
043
Gold
079
Radon
086
Erbium
068
Boron
005
Silicon
014
Magnesium
012
Rhenium
075
Iron
026
Phosphorus
015
Cerium
058
Lead
082
Chlorine
017
Neon
010
Lutetium
071
Thorium
090
Chromium
024
Element
Atomic #
Californium
098
Zirconium
040
Terbium
065
Promethium
061
Fluorine
009
Aluminum
013
Copernicium
112
Rhodium
045
Niobium
041
Dubnium
105
Hydrogen
001
Bromine
035
Iridium
077
Molybdenum
042
Tin
050
Germanium
032
Silver
047
Cadmium
048
Ruthenium
044
Iodine
053
Plutonium
094
Protactinium
091
Nickel
028
Tantalum
073
Copper
029
Beryllium
004
Strontium
038
Calcium
020
Carbon
006
Neptunium
093
Barium
056
Praseodymium
059
Palladium
046
Sodium
011
Uranium
092
Fermium
100
Lithium
003
Thallium
081
Oxygen
008
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