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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)
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barmanitan
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Last updated: April 9, 2026
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First submittedApril 8, 2026
Times taken1
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Element
Atomic #
Hafnium
072
Germanium
032
Beryllium
004
Samarium
062
Aluminum
013
Neodymium
060
Radon
086
Technetium
043
Gallium
031
Meitnerium
109
Dubnium
105
Silicon
014
Einsteinium
099
Erbium
068
Terbium
065
Lutetium
071
Rhodium
045
Gold
079
Tennessine
117
Thallium
081
Rutherfordium
104
Lithium
003
Uranium
092
Actinium
089
Boron
005
Copper
029
Neon
010
Phosphorus
015
Rhenium
075
Thorium
090
Bismuth
083
Cadmium
048
Livermorium
116
Iron
026
Ruthenium
044
Potassium
019
Sodium
011
Tantalum
073
Fluorine
009
Polonium
084
Europium
063
Magnesium
012
Fermium
100
Carbon
006
Flerovium
114
Barium
056
Tin
050
Ytterbium
070
Promethium
061
Vanadium
023
Zirconium
040
Scandium
021
Lead
082
Dysprosium
066
Gadolinium
064
Zinc
030
Helium
002
Bohrium
107
Tellurium
052
Niobium
041
Calcium
020
Chromium
024
Cobalt
027
Strontium
038
Thulium
069
Protactinium
091
Antimony
051
Iridium
077
Selenium
034
Praseodymium
059
Bromine
035
Cerium
058
Platinum
078
Chlorine
017
Berkelium
097
Yttrium
039
Xenon
054
Hydrogen
001
Argon
018
Curium
096
Krypton
036
Iodine
053
Mendelevium
101
Copernicium
112
Lawrencium
103
Seaborgium
106
Californium
098
Titanium
022
Oxygen
008
Oganesson
118
Wolfram
074
Nitrogen
007
Plutonium
094
Cesium
055
Holmium
067
Osmium
076
Neptunium
093
Arsenic
033
Roentgenium
111
Moscovium
115
Indium
049
Nihonium
113
Americium
095
Nobelium
102
Mercury
080
Hassium
108
Rubidium
037
Manganese
025
Darmstadtium
110
Astatine
085
Silver
047
Radium
088
Lanthanum
057
Sulfur
016
Palladium
046
Molybdenum
042
Nickel
028
Francium
087
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