Library›Element Chemical Symbols›One card

A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

ScienceOne small ahaChemical symbol

Technetium · chemical symbol

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

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 Element Chemical Symbols

A few more worth knowing.

  1. 44Ruthenium · chemical symbolRECALL
    Ru

    Atomic number 44

    Open this card ↗
  2. 45Rhodium · chemical symbolRECALL
    Rh

    Atomic number 45

    Open this card ↗
  3. 46Palladium · chemical symbolRECALL
    Pd

    Atomic number 46

    Open this card ↗