Assertion: arsenic's form | /r/HasProperty | arsenious acids
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text: Environmental forms include arsenious acids, arsenic acids, arsenites, arsenates, methylarsenic acid (MAA), dimethylarsinic acid (DMAA), trimethyl arsine oxide (TMAO), and so forth [1–3]. The most abundant forms of arsenic include arsenate (As V) and arsenite (As III) , where arsenite is a toxic and hard acid.