From the archive · #277

A little curiosity.
From the archive.

Five flashcards. A fresh discovery. Your moment to get a little more out of the world.

October 4, 2026Element Atomic NumbersNo account needed · No timer
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Let curiosity take the first flipCard 1 of 5
Prompt: Californium · atomic number
ScienceA little curiosity
Atomic number · RECALLCalifornium · atomic numberThink it. Then flip it.
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See these five prompts
  1. 01Californium · atomic number
  2. 02Dubnium · atomic number
  3. 03Copernicium · atomic number
  4. 04Hydrogen · atomic number
  5. 05Oxygen · atomic number