CHEMISTRY Nomenclature Practice Quiz

CHEMISTRY Nomenclature Practice Quiz - 4 10 protons 9...

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significant digits Which of the following are gases at room temperature(Points: 2.0) Fe, Li, H, Br, Cl, Rn, S (if your answer has more than one of these, use a comma to separate them) Which of the following has the HIGHEST frequency? cosmic uv Planck's major contribution to quantum mechanics was wave-particle duality 2. wave equations 3. photoelectric effect 4. quantization of energy 5. electron configuration Perform the following calculation:(Points: 2.0) A day on Mongo is 31 of earth's hours long and a year is 730 Earth days long. How old (in hours) is a 44 year old earth man in Mongo hours? (assume an earth year is 365 days and an earth day is 24 hrs long). Do not use sig figs for this problem. The number of protons, neutrons, and electrons, respectively, in a neutral atom of 19^F is(Points: 2.0) 9 protons, 19 neutrons, and 9 electrons 2. 19 protons, 10 neutrons, and 19 electrons 3. 9 protons, 9 neutrons, and 9 electrons
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Unformatted text preview: 4. 10 protons, 9 neutrons, and 10 electrons 5. 9 protons, 10 neutrons, and 9 electrons Which of the following elements are most likely to form a cation?(Points: 2.0) . I metals 2. P 3. S 4. N 5. Be At 25°C, chlorine is a green-yellow poisonous gas with a density of 3 × 10^–3 g/cm^3. Chlorine has a melting point of –101°C and a boiling point of –35°C, and the energy required to melt and boil chlorine is 6.4 and 20.4 kJ/mol, respectively. Chlorine burns in hydrogen to form hydrogen chloride. Which of the following is a chemical property of chlorine? Chlorine liberate energy when it freezes. 2. Chlorine is green-yellow in color. 3. Chlorine burns in hydrogen to form hydrogen chloride. 4. Chlorine melts at –101°C. 5. Chlorine requires energy to boil. The prefix corresponding to the factor 10^–12 is Fill in the Blank 01 pico...
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CHEMISTRY Nomenclature Practice Quiz - 4 10 protons 9...

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