Acetylene could be considered dangerous, as it is highly inflammable
oxygenozone
fluorine
no
Tellurium hexafluoride
Methane.
· Ornithomimus · Ouranosaurus
dark, dank, dangerous, dingy.....
Perilous and precarious are synonyms for dangerous. They begin with the letter p.
Some gases that begin with the letter "Z" include zirconium tetrachloride (ZrCl₄), which is a gaseous compound at high temperatures, and zinc vapor, which can occur when zinc is heated to high temperatures. However, there are very few common gases that start with "Z," making them relatively rare in everyday discussions about gases.
· dramatic · dangerous · devilish
Every element can exist in gaseous form, given sufficient energy. Three elemental gases that begin with the English letter 'e' are Einsteinium (Es), Europium (Eu) and Erbium (Er).
The irukandji jellyfish is a dangerous invertebrate which lives in Australia's tropical waters.