Periodic Mole

Element mastery

Your progress on the symbol↔name recall for every element. Get 5 correct on an element and it graduates; a new one rotates in. Mastered elements reappear via the in-game frequency mix and on the /srs schedule.

Progress here is saved to this browser. Unlock full access for an account that saves your progress across devices.

The Element Mastery Prize is running through September 15 — this scoreboard is your entry, and finishing pays. See the race

0
Mastered
12
Learning
0
Coming up
106
Locked

Learning (12)

What you’re drilling right now — including elements being introduced into rotation. 5 correct answers graduates each direction.

  • 1HHydrogen
  • 2HeHelium
  • 3LiLithium
  • 4BeBeryllium
  • 5BBoron
  • 6CCarbon
  • 7NNitrogen
  • 8OOxygen
  • 9FFluorine
  • 10NeNeon
  • 11NaSodium
  • 12MgMagnesium

Locked (106)

Get full access

Beyond the first 12. Full access unlocks all 118 and keeps building your periodic-table fluency.

  • AlAluminum
  • SiSilicon
  • PPhosphorus
  • SSulfur
  • ClChlorine
  • ArArgon
  • KPotassium
  • CaCalcium
  • ScScandium
  • TiTitanium
  • VVanadium
  • CrChromium
  • MnManganese
  • FeIron
  • CoCobalt
  • NiNickel
  • CuCopper
  • ZnZinc
  • GaGallium
  • GeGermanium
  • AsArsenic
  • SeSelenium
  • BrBromine
  • KrKrypton
  • RbRubidium
  • SrStrontium
  • YYttrium
  • ZrZirconium
  • NbNiobium
  • MoMolybdenum
  • TcTechnetium
  • RuRuthenium
  • RhRhodium
  • PdPalladium
  • AgSilver
  • CdCadmium
  • InIndium
  • SnTin
  • SbAntimony
  • TeTellurium
  • IIodine
  • XeXenon
  • CsCesium
  • BaBarium
  • LaLanthanum
  • CeCerium
  • PrPraseodymium
  • NdNeodymium
  • PmPromethium
  • SmSamarium
  • EuEuropium
  • GdGadolinium
  • TbTerbium
  • DyDysprosium
  • HoHolmium
  • ErErbium
  • TmThulium
  • YbYtterbium
  • LuLutetium
  • HfHafnium
  • TaTantalum
  • WTungsten
  • ReRhenium
  • OsOsmium
  • IrIridium
  • PtPlatinum
  • AuGold
  • HgMercury
  • TlThallium
  • PbLead
  • BiBismuth
  • PoPolonium
  • AtAstatine
  • RnRadon
  • FrFrancium
  • RaRadium
  • AcActinium
  • ThThorium
  • PaProtactinium
  • UUranium
  • NpNeptunium
  • PuPlutonium
  • AmAmericium
  • CmCurium
  • BkBerkelium
  • CfCalifornium
  • EsEinsteinium
  • FmFermium
  • MdMendelevium
  • NoNobelium
  • LrLawrencium
  • RfRutherfordium
  • DbDubnium
  • SgSeaborgium
  • BhBohrium
  • HsHassium
  • MtMeitnerium
  • DsDarmstadtium
  • RgRoentgenium
  • CnCopernicium
  • NhNihonium
  • FlFlerovium
  • McMoscovium
  • LvLivermorium
  • TsTennessine
  • OgOganesson