There are currently 118 different elements, each with a unique symbol. If you choose to do this challenge you must find and log 100 caches with the chemical symbol in the GC code.

!Periodic Table of Geocaching Challenge

Periodic Table of Geocaching Challenge

"Country Roads" #106

"Country Roads" #112

"Country Roads" #121

"Country Roads" #125

"Was His Name O'"

#2 Take a Break in the Run!

#7 Hidden Creatures: Sphinx

...and a Partridge in a Pear Tree

...we all scream...

0259-E.T.

038 So Saxy

0530-E.T.

0591-E.T.

0651-E.T.

0672-E.T.

0848-E.T.

0851-E.T.

0853-E.T.

0861-E.T.

DONE -- Periodic Table of Geocaching Challenge

DONE -- Periodic Table of Geocaching Challenge.list-details-1ub8b9x{text-transform:uppercase;font-size:12px;}@media screen and (min-width: 600px){.list-details-1ub8b9x{font-size:1.25rem;}}.list-details-1ub8b9x.shareable{color:#87705a;}.list-details-1ub8b9x.public{color:#00b265;}Public

DONE -- Periodic Table of Geocaching ChallengePublic