Library›The Elements›One card

A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

ScienceOne small ahaElement

This element was once common in plumbing and paint and carries the symbol Pb from the Latin word plumbum.

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

Lead: Dense, soft metal once widely used in plumbing and paint. Source: Lead ↗

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 The Elements

A few more worth knowing.

  1. 57This element was identified in sunlight decades before it was found on Earth, and now fills balloons and airships.RECALL
    Helium

    Helium was identified in sunlight decades before it was found on Earth, and now fills balloons and airships.

    Open this card ↗
  2. 58Helium · chemical symbolRECALL
    He

    Helium was identified in sunlight decades before it was found on Earth, and now fills balloons and airships.

    Open this card ↗
  3. 59Compounds of this highly reactive halogen are used in toothpaste to help prevent decay.RECALL
    Fluorine

    Fluoride compounds help protect teeth; elemental fluorine is highly reactive and toxic.

    Open this card ↗