LibraryElement Chemical SymbolsOne card

A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

ScienceOne small ahaChemical symbol

Francium · chemical symbol

Think it. Then flip it.
ahamoraTap to reveal
Back to the cue
ScienceOne small aha
Your new ahaFr

Francium has 87 protons in every atomic nucleus. Changing that number would make a different element. Source: Francium

ahamoraReference ↗

Keep the thread going

One answer is a beginning.

Share a little curiosity, or follow it into the full collection.

Flip the full deck →

More from Element Chemical Symbols

A few more worth knowing.

  1. 88Radium · chemical symbolRECALL
    Ra

    Atomic number 88

    Open this card ↗
  2. 89Actinium · chemical symbolRECALL
    Ac

    Atomic number 89

    Open this card ↗
  3. 90Thorium · chemical symbolRECALL
    Th

    Atomic number 90

    Open this card ↗