No. 1 Element on the Periodic Table
This page is the CodyCross answer for the clue below from Medieval Times, Group 226, Puzzle 2 (Middle English).
Question
No. 1 Element on the Periodic Table
Answer
HYDROGEN
Word Meaning:
HYDROGEN — (uncountable) The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.008.
Definitions from Wiktionary.