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Chapter 2: Q4.67P (page 40)
Give the oxidation number of sulfur in the following:
You need to provide the oxidation number of sulfur for the given compounds.
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Describe Thomson’s model of the atom. How might it account for the production of cathode rays?
Choose the correct answer. The difference between the mass number of an isotope and its atomic number is (a)directly related to the identity of the element; (b) the number of electrons; (c) the number of neutrons; (d) the number of isotopes.
Show, with calculations, how the following data illustrate the law of multiple proportions:Compound 1: 77.6 mass % xenon and 22.4 mass % fluorineCompound 2: 63.3 mass % xenon and 36.7 mass % fluorine
Galena, a mineral of lead, is a compound of the metal with sulfur. Analysis shows that a 2.34-g sample of galena contains2.03 g of lead. Calculate the mass percent of lead and sulfur in galena.
Describe the type and nature of the bonding that occurs between reactive metals and nonmetals.
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