Rain, freezing rain, sleet, snow, and hail are all examples of a. infiltration. b. precipitation. c. evaporation. d. condensation.

Which statement best explains a difference between the interaction of light with clear glass and the interaction of light with silver metal? Light slows down when it interacts with glass but not when it interacts with metal.

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A nitrogen atom has five valence electrons. The Lewis structure shows how a nitrogen atom bonds with three hydrogen atoms to form an ammonia molecule, NH3. How many valence electrons does the nitrogen atom have in this ammonia molecule?

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Based on the kinetic theory, which statement is true? Matter consists of only large molecules. Matter is made up of only charged particles. The particles of matter are in constant motion. The particles of matter have zero kinetic energy.

Which compounds have the empirical formula CH2O? A. C2H4O2 B. C3H6O3 C. CH2O2 D. C5H10O5 E. C6H12O6

An element is a pure substance. It can not easily be broken down into parts by physical means. A) True B) False

Sodium phosphate and calcium chloride react to form sodium chloride and calcium phosphate. If you have 379.4 grams of calcium chloride and an excess of sodium phosphate, how much calcium phosphate can you make?

What is the maximum number of electrons in the second electron shell, closest to the nucleus?

Which compound is formed from its elements by an exothermic reaction at 298 K and 101.3 kPa?