Consider the following reaction: SO3 + SF2 à SOF2 + SO2 a. Assign oxidation numbers for each element in each compound. b. Which element is reduced. Which element is oxidized. c. What is the reducing agent and what is the oxidizing agent?

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

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