Library›Atomic Numbers and Elements›One card

A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

ScienceOne small ahaElement

This chemical element has atomic number 29.

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

Copper has 29 protons in every atomic nucleus. Changing that number would make a different element. Source: Copper ↗

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 Atomic Numbers and Elements

A few more worth knowing.

  1. 30This chemical element has atomic number 30.RECALL
    Zinc

    Symbol Zn

    Open this card ↗
  2. 31This chemical element has atomic number 31.RECALL
    Gallium

    Symbol Ga

    Open this card ↗
  3. 32This chemical element has atomic number 32.RECALL
    Germanium

    Symbol Ge

    Open this card ↗