The difference between Arsenic and Realgar

When used as nouns, arsenic means a nonmetallic chemical element (symbol as) with an atomic number of 33, whereas realgar means a mineral, arsenic sulfide (ass), often associated with orpiment and stibnite in lead, silver and gold ores.


Arsenic is also adjective with the meaning: of or containing arsenic with a valence of 5.

check bellow for the other definitions of Arsenic and Realgar

  1. Arsenic as a noun:

    A nonmetallic chemical element (symbol As) with an atomic number of 33.

  2. Arsenic as a noun (countable):

    A single atom of this element.

  3. Arsenic as a noun:

    Arsenic trioxide.

  1. Arsenic as an adjective:

    Of or containing arsenic with a valence of 5.

  1. Realgar as a noun (mineral):

    A mineral, arsenic sulfide (AsS), often associated with orpiment and stibnite in lead, silver and gold ores.