CHEM 1110 Midterm: Chemistry 1110 2011 Fall Test 2
Document Summary
What is its name? tetraphosphorus decasulfide: phosphoric sulfide, phosphorus decasulfide, phosphorus sulfide, select the element whose lewis symbol is correct, consider the element with the electron configuration [kr] 5s24d105p5. This element is: an alkali metal, a halogen. a noble gas. a transition metal, the elements in a column of the periodic table are known as, a group, nonmetals, metalloids. a period, tetrasulfur dinitride decomposes explosively when heated. [ar] 3d5: which element would be expected to have properties similar to arsenic, sb, pb, sn, se, the lewis dot symbol consists of the symbol for the element surrounded by dot(s). What does the dot or dots represent: electron configuration, atomic number, valence electrons, core electrons, which of these elements has the smallest first ionization energy, k, cl, na, be. Calculate the number molecules in 53. 6 g of sulfur trioxide. (mm of so3 = 80. 06 g/mol) Make sure you include any possible resonance structures. (15 pts: pcl3, xef4, so2.
