Alphabetically, It's the First Chemical Element
This page is the CodyCross answer for the clue below from Games, Group 945, Puzzle 5 (Infinite Health).
Question is: Alphabetically, It's the First Chemical Element
and the answer is: ACTINIUM
Word Meaning:
ACTINIUM — A radioactive, metallic chemical element (symbol: Ac) with an atomic number of 89; found in uranium ores.
Definitions from Wiktionary.