Second Periodic Table Element, Found in Balloons

This page is the CodyCross answer for the clue below from Tundra and Taiga, Group 1693, Puzzle 3 (Moose and Caribou).

Question is: Second Periodic Table Element, Found in Balloons

and the answer is: HELIUM

Word Meaning:

HELIUM — (uncountable) The second-lightest chemical element (symbol He), with an atomic number of 2 and atomic weight of 4.002602, a colorless, odorless and inert noble gas.

Definitions from Wiktionary.

Second periodic table element, found in balloons — CodyCross Answer | CodyCross Solutions