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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Last updated: April 9, 2026

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First submitted	April 8, 2026
Times taken	1
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Element	Atomic #
Meitnerium	109
Erbium	068
Oganesson	118
Nickel	028
Neodymium	060
Platinum	078
Terbium	065
Rhenium	075
Tellurium	052
Boron	005
Polonium	084
Mercury	080
Arsenic	033
Titanium	022
Scandium	021
Astatine	085
Selenium	034
Vanadium	023
Chromium	024
Zinc	030
Actinium	089
Cesium	055
Zirconium	040
Europium	063
Iron	026
Lawrencium	103
Seaborgium	106
Thorium	090
Palladium	046
Einsteinium	099
Beryllium	004
Uranium	092
Bismuth	083
Lithium	003
Ytterbium	070
Sulfur	016
Samarium	062
Fermium	100
Protactinium	091
Krypton	036

Element	Atomic #
Flerovium	114
Radium	088
Copernicium	112
Neptunium	093
Bohrium	107
Strontium	038
Gallium	031
Thallium	081
Phosphorus	015
Iridium	077
Rubidium	037
Nobelium	102
Rhodium	045
Tin	050
Magnesium	012
Hydrogen	001
Holmium	067
Lanthanum	057
Nitrogen	007
Lutetium	071
Roentgenium	111
Antimony	051
Sodium	011
Osmium	076
Ruthenium	044
Gold	079
Tennessine	117
Plutonium	094
Radon	086
Argon	018
Germanium	032
Berkelium	097
Dysprosium	066
Oxygen	008
Helium	002
Iodine	053
Francium	087
Calcium	020
Aluminum	013

Element	Atomic #
Californium	098
Copper	029
Chlorine	017
Carbon	006
Rutherfordium	104
Lead	082
Molybdenum	042
Moscovium	115
Mendelevium	101
Hafnium	072
Darmstadtium	110
Yttrium	039
Potassium	019
Silicon	014
Livermorium	116
Technetium	043
Neon	010
Cadmium	048
Wolfram	074
Americium	095
Dubnium	105
Thulium	069
Cobalt	027
Praseodymium	059
Curium	096
Gadolinium	064
Nihonium	113
Tantalum	073
Bromine	035
Niobium	041
Promethium	061
Indium	049
Fluorine	009
Hassium	108
Barium	056
Xenon	054
Cerium	058
Manganese	025
Silver	047

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