Gas Combined With Hydrogen to Make Ammonia
This page is the CodyCross answer for the clue below from Cartography, Group 2264, Puzzle 4 (Sea Monsters).
Question
Gas Combined With Hydrogen to Make Ammonia
Answer
NITROGEN
Word Meaning:
NITROGEN — (uncountable) The chemical element with an atomic number of 7 and atomic weight of 14.0067. It is a colorless and odorless gas.
Definitions from Wiktionary.