Answer:
In the oxide form, uranium can be disposed of as low-level radioactive waste at an approved disposal facility. Approximately 350,000 tons of anhydrous HF are used annually in the United States.
Explanation:
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Elements that are gases at room temperature are likely to be classified as nonmetals
H - hydrogen is a chemical element
O - oxygen is a chemical element
H₂ - hydrogen is a chemical substance wish a molecule comprising two atoms
O₂ - oxygen is a chemical substance wish a molecule comprising two atoms
H₂O - water is a chemical substance wish a molecule comprising two atoms of hydrogen and one atom of oxygen
