arsenic

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

CSPI says the Trump Administration could take steps to protect consumers from each of these chemicals and support FDA’s broader post-market assessment efforts. It could ensure that FDA sets health-protective limits on heavy metals, like lead, arsenic, and cadmium, in foods consumed by children.

A single atom of this element.

Arsenic trioxide.

Of or containing arsenic with a valence of 5.