page_title: Selenium dioxide
hierarchical_section_title: Selenium dioxide
caption_attribution_description: Selenium dioxide
context_page_description: Selenium dioxide, also known as selenious oxide, selenous oxide, or selenium(IV) oxide, is a chemical compound. Its chemical formula is SeO₂. It contains selenium in its +4 oxidation state. It also contains oxide ions. It is toxic.
context_section_description: Selenium dioxide, also known as selenious oxide, selenous oxide, or selenium(IV) oxide, is a chemical compound. Its chemical formula is SeO₂. It contains selenium in its +4 oxidation state. It also contains oxide ions. It is toxic.
caption: Selenium dioxide
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