Which of the following statements about first ionization energy is correct?  

Which solvent would best dissolve solid iodine (I2)?

The formal charge on nitrogen in the polyatomic ion nitrate NO3– is ________.

Which of the following solutes would be most soluble in liquid water (H2O)? 

Which of the following ionic compounds has the smallest lattice energy?

Which of the following solutes would be most soluble in liquid hexane (C6H14)?

Consider the following densities of some common materials: Metal Density (g/cm3) brass 8.55 zinc 1.92 cork 0.24 cast iron 7.21 lead 11.34 quartz 2.64 Given 10.0 g of each of the following materials, which would occupy the smallest volume?

Motor oil flows more easily in a hot engine than in a cold one. Which statement best explains this observation?

125 g of Cu(NO3)2 is added to enough water to produce 585 mL of solution. What is the molarity (in M) of this solution? Hint: molar mass copper (II) nitrate = 187.57 g/mol

  Consider the following densities of some common materials: Metal Density (g/cm3) brass 8.55 brick 1.92 cork 0.24 cast iron 7.21 lead 11.34 quartz 2.64 Given 10.0 g of each of the following materials, which would occupy the smallest volume?