Results for "electron configuration"

Part I. (45 points). In the spaces next to the chemical symbol write the name of the element, the condensed electron configuration, and indicate if the element is a metal, nonmetal or metalloid. Name Condensed electron configuration Metal/nonmetal/metalloid A) Cl _________ _______________________ _________________________ B) B _________ _______________________ _________________________ C) K _________ _______________________ _________________________ D) Zn _________ _______________________ _________________________ E) P _________ _______________________ _________________________ Part II. Multiple choice (3 points each = 180 points total). Please circle your answer. There is only one correct answer to each question. 1. The mass % of C in methane (CH4) is __________. A) 25.13 B) 133.6 C) 74.87 D) 92.26 2. Which of the following does not occur as diatomic molecules in its elemental form? A) helium B) nitrogen C) oxygen D) hydrogen 3. The molecular weight of ethanol (C2H5OH) is ____________ amu. A) 34 B) 41 C) 30 D) 46 4. A cube of salt measures 0.550 cm on each side. What is its volume in mm3? A) 166 mm3 B) 5.50 mm3 C) 0.166 mm3 D) 550 mm3

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