answer questions 7 and 8 please QUESTION 7 Place > or <in each box to indicate...
Material science class Suppose 1 at % of the following elements is added to aluminum (forming a separate alloy with each element) without exceeding the solubility limit. Which one of the following would be expected to give the higher strength alloy. Mn: Ga: Be; or Li? The Atomic and lonic Radii of Selected Elements Valence Element Aluminum Antimony Arsenic Barium Beryllium Bismuth Boron Bromine Cadmium Calcium Carbon Cerium Cesium Chlorine Chromium Cobalt Copper Fluorine Gallum Germanium Atomic Radius (A) 1.432...
please show all work. Thank you 145 140 130 Alpha decay Beta (-) decay 125 207 Pb 80 85 90 95 Enter the correct nuclide symbol in each open tan rectangle in Figure, which shows the sequences of decays in the natural radioactive series starting with the long-lived isotope uranium-235 and ending with the stable nucleus lead-207. Please use the online period table. Sym Naine 2 Li 6.96 Be 90122 14.007 15 18 998 20 180 21 22 Mn Fe...
Please answer the questions too. Thanks. 4. What is used for naming covalent compounds that is not used for lonic compound naes Procedures: 1. Complete Table A "Electron Dot Structures" using the given examples 2. Complete Table B "Physical Properties of lonic Compounds using text book as the reference. 3. Complete Table C "Formulas of lonic Compounds." Determine the oxidation mumber or valence of each ion, then determine the chemical formula so that the compounds have a balance, zero net...
5. What was the purpose of the NaNO3 solution in this experiment? 6. Could a solution of NaCl be used instead of NaNO3? 7. What was the purpose of FeSO4 solution in this experiment? 8. Could a solution of FeCl, be used instead of FeSO4? 9. Could a solution of NaSO4 be used instead of FeSO4? 10. Calculate the standard cell potential for the spontaneous redox reaction between a Pb(s)/Pb(NO3)2(aq) half-cell and a Ag(s)/AgNO3(aq) half-cell. Which metal would be oxidized?...