The First Element in the Periodic Table

This page is the CodyCross answer for the clue below from Trip to Spain, Group 849, Puzzle 4 (Toledo and Segovia).

Question is: The First Element in the Periodic Table

and the answer is: 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.

The First Element In The Periodic Table - Trip to Spain CodyCross Answers | CodyCross Solutions