Assertion: astatine's compound | /r/HasProperty | hydrogen iodide
Facets:
Source sentences:
text: The simplest compound of iodine is hydrogen iodide, HI.
text: All halogens form binary compounds with hydrogen known as the hydrogen halides: hydrogen fluoride (HF), hydrogen chloride (HCl), hydrogen bromide (HBr), hydrogen iodide (HI), and hydrogen astatide (HAt).