LibraryAtomic Numbers and ElementsOne card

A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

ScienceOne small ahaElement

This chemical element has atomic number 43.

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

Technetium has 43 protons in every atomic nucleus. Changing that number would make a different element. Source: Technetium

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. 44This chemical element has atomic number 44.RECALL
    Ruthenium

    Symbol Ru

    Open this card ↗
  2. 45This chemical element has atomic number 45.RECALL
    Rhodium

    Symbol Rh

    Open this card ↗
  3. 46This chemical element has atomic number 46.RECALL
    Palladium

    Symbol Pd

    Open this card ↗