LibraryElement Chemical SymbolsOne card

A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

ScienceOne small ahaChemical symbol

Selenium · chemical symbol

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

Selenium has 34 protons in every atomic nucleus. Changing that number would make a different element. Source: Selenium

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. 35Bromine · chemical symbolRECALL
    Br

    Atomic number 35

    Open this card ↗
  2. 36Krypton · chemical symbolRECALL
    Kr

    Atomic number 36

    Open this card ↗
  3. 37Rubidium · chemical symbolRECALL
    Rb

    Atomic number 37

    Open this card ↗