Chemistry Review Matter 100 200 300 400 500 100 200 300 400 500 Atoms and the Periodic Table 100 200 300 400 500 FJ Bonding and compounds 100 200 300 400 500 Chemical Reactions 100 200 300 400 500 Review for 100 This is the number 0.0000876 written in scientific notation. What is 8.76 x 10-5? Review for 200 This is how many significant digit are in the number 0.001030 Who is 4? Review for 300 This is 2.30 x 1.93 expressed with the correct number of significant digits. What is 4.44? Review for 400 This is the slope of a line that runs through the points (2, 7) and (7, 19). What is 2.4? Review for 500 This is the volume of a metal cylinder that has a mass of 6.8 grams and a density of 1.92 g/mL. You must use the correct number of sig figs and include a unit. What is 3.5 mL? Matter for 100 These are the two different types of observations that can be made. What is qualitative and quantitative? Matter for 200 These are the two different types of mixtures. What are heterogeneous and homogeneous? Matter for 300 Melting (like water) is an example of this type of change. What is a physical change? Matter for 400 This is the percent error if you are measuring a building and you get a length of 32.45 m but the actual length is 30.19 m What is 7.486% ? Matter for 500 This is the shorthand electron configuration for Tellurium What is [Kr] 5s2 4d10 5p4? Atoms for 100 This is how many neutrons sodium has. What is 12? Atoms for 200 Atoms for 200 This is the electron configuration for Cr. What is 1s22s22p63s23p64s13d5? Atoms for 300 This is the name for elements in group 1. What are alkali metals ? Atoms for 400 This is the nuclear reaction that occurs when samarium undergoes beta decay. What is Sm e + Eu ? Atoms for 500 This is the average atomic mass of lithium if 7.42% exists as Li-6 (6.015 g) and 92.58% exists as Li-7 (7.016 g). NO PERIODIC TABLES! What is 6.941 amu? Bonding for 100 This is the name for the ionic compound Ni2Br. What is nickel (II) bromide? Bonding for 200 This is how you would name the compound N3O6. What is trinitrogen hexaoxide? Bonding for 300 This is the polyatomic ion chlorate. What is ClO3-1 ? Bonding for 400 This is the formula for Calcium Phosphide. What is Ca3P2? Bonding for 500 This the Lewis structure and VSEPR for CCl2O. What is tetrahedral? Reactions for 100 This is what we call reactions that are done in water. What are aqueous reactions? Reactions for 200 This is what the solid that that falls out of an aqueous solution is called. It happens during double replacement reactions. What is a precipitate? Reactions for 300 This is the equation balanced: Al2(SO4)3 + Fe FeSO4 + Al What is Al2(SO4)3 + 3Fe 3FeSO4 + 2Al Reactions for 400 This what type of reaction the following is: C5H12 + 8O2 5CO2 + 6H2O What is a combustion reaction? Reactions for 500 This is the UNBALANCED skeleton equation from the following word equation: hydrogen sulfate reacts with solid Copper (II) Chloride to produce liquid hydrogen chloride and solid Copper (II) Sulfate. What is H2SO4 + CuCl2 HCl + CuSO4 ?