The cache is not at the listed coordinates, but you can park there. Please be aware that during certain times of the year hunting is allowed in this area. Check the information board for more information. A series of caches about chemistry. Any puzzle caches in this series should not be too difficult with the answers probably located on Wikipedia. Thanks to Wikipedia for additional source material. You are looking for a giant test tube aka preform tube. BYOP.
Atomic number is the number of protons in the nucleus of a chemical element. Each element has its own atomic number which determines its place in the periodic table.
To find the cache go to N41 23.BeNC W088 04.CHHe
CONGRATS to superior o on the FTF. 
Look for more to come.