First Element on Mendeleev's Periodic Table
This page is the CodyCross answer for the clue below from Architectural Styles, Group 1170, Puzzle 4 (Ben Van Berkel).
Question
First Element on Mendeleev's 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.