Question 1: Think critical: from the given symbols, choose two elements that are likely to form an ionic bond: O, Ne, S, Ca, and K. Next, select two elements that would likely form a covalent bond. Explain.
Question 2: Solve One-Step Equations: Aluminum oxide can be produced during rocket launches. Show that the sum of the positive and negative charges in a unit of aluminum oxide equals zero.
Question 3: What is the formula for potassium sulfide?
Question 4: What is the formula for calcium chloride?
Question 5: What is the formula for lead (IV) phosphide?
Question 6: What is the name of AICI3?
Question 7: What is the name of Li2S?
Question 8: What is the name of Cr2O3?
Question 9: Write formulas for the fallowing compounds: potassium iodide, phosphorous pentachloride, magnesium hydroxide, aluminum sulfate, dichlorine heptoxide, and calcium nitrate trihydrate?
Question 10: Identify: Write the names of these compounds: Al2O3, Ba(CIO3)2, SO2, NH4CI, PCI3, and Mg3(PO4)2 * 4H2O.
Question 11: Determine the oxidation number on each atom in the fallowing compounds: sodium chloride and iron(II) oxide.