It’s B. Chromium(III) oxide
Chlorine because it lacks one valence electron to fill it's outer shell
Answer:
semimetals or metalloids.
Explanation:
<span>Of the answers listed option B looks like the most complete. Ie "Check for the presence of alpha, beta, and gamma particles." the significant presence of these particles is a specific indicator of radioactive decay, i.e: unstable atoms spontaneously undergoing a nuclear reaction.</span>
