Acetylene could be considered dangerous, as it is highly inflammable
oxygenozone
no
Tellurium hexafluoride
fluorine
Methane.
dark, dank, dangerous, dingy.....
· Ornithomimus · Ouranosaurus
Perilous and precarious are synonyms for dangerous. They begin with the letter p.
· Nile Crocodile · Northern Rubber Boa
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).
· dramatic · dangerous · devilish
because it is