Mapoob od University Science Books presented by Sapling Learning Donald McQuanri

Question

Mapoob od University Science Books presented by Sapling Learning Donald McQuanrie Peter A. Rock Ethan Gallogy Astatine is a radioactive halogen that concentrates in the thyroid gland Predict from its position in the periodic table the following properties of astatine a) physical state of astatine solid at 25°C b) formula of sodium astatide: NaAt Incorrect. The symbol for astatine is At. Consider the A(soliformula for other sodium halides like NaCl and NaBr (include phase) Also, we know from experience that NaCl, table salt, is a solid at room temperature O white O black c) color of sodium astatide d) formula of gaseous astatine: A(gas) (include phase) O white O black Halogen Color chlorine yellow bromine red-brown odine e) color of solid astatine dark gray

Explanation / Answer

b. NaAt

d.At(g)

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