sentence: Plutonium is also toxic, although it is less toxic than many people think.
sentences_before: Like other transuranium elements, plutonium can react with water, oxygen, carbon, halogens, nitrogen, and silicon. Plutonium from the expanding sample can flake off and catch fire at room temperature.
sentences_after: The reactivity and toxicity of plutonium make it difficult to handle.
concept_name: Plutonium
headings: Plutonium
categories: Actinides Chemical elements Nuclear physics