Prompt 5 of 7
Name a subatomic particle
64 accepted answers across 6 rarity tiers.
100 ptsOne in a Krillion1 answer
The rarest possible answer — almost no player finds it.
- Tetraquark— Predicted in 1964, but the first one showed up in 2013.
85 ptsDeep Cut37 answers
Genuinely obscure. Most players never think of it.
- Antineutrino
- Antiquark
- Axion
- B meson
- Bottom quark
- Charm quark
- D meson
- Delta baryon
- Deuteron
- Down quark
- Eta meson
- Gauge boson
- Glueball
- Hyperon
- J/psi
- Kaon
- Lambda baryon
- Magnetic monopole
- Muon neutrino
- Muonium
- Neutralino
- Nucleon
- Omega baryon
- Pentaquark
- Phi meson
- Positronium
- Rho meson
- Sigma baryon
- Sterile neutrino
- Strange quark
- Tachyon— Hypothetical particle that could only ever travel faster than light.
- Tau neutrino
- Top quark
- Up quark
- Upsilon meson
- WIMP
- Xi baryon
60 ptsRare15 answers
Uncommon — only a minority of players land here.
- Antineutron
- Antiproton
- Baryon
- Boson
- Electron neutrino
- Fermion
- Gluon
- Hadron
- Lepton
- Meson
- Muon
- Pion
- Tau
- W boson
- Z boson
30 ptsSchooler6 answers
A solid, middling pick shared with plenty of other players.
- Alpha particle
- Beta particle
- Neutrino
- Photon
- Positron
- Quark
15 ptsToo Clever2 answers
An overthought pick that scores below the middle of the board.
- Graviton— Still undetected, and physicists doubt any instrument ever could.
- Higgs boson— Confirmed at CERN in 2012, half a century after its prediction.
10 ptsPlankton3 answers
The most common answer on the board.
- Electron
- Neutron
- Proton