The difference between Arsenic and Cobaltite
When used as nouns, arsenic means a nonmetallic chemical element (symbol as) with an atomic number of 33, whereas cobaltite means a rare gray mineral, a mixed sulfide and arsenide of cobalt and iron with the chemical formula coass.
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 Cobaltite
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Arsenic as a noun:
A nonmetallic chemical element (symbol As) with an atomic number of 33.
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Arsenic as a noun (countable):
A single atom of this element.
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Arsenic as a noun:
Arsenic trioxide.
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Arsenic as an adjective:
Of or containing arsenic with a valence of 5.
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Cobaltite as a noun (mineral):
A rare gray mineral, a mixed sulfide and arsenide of cobalt and iron with the chemical formula CoAsS; it is an ore of cobalt.