Which of these elements has the shortest distance from the center of the nucleus to the outermost valence electron?

The electrical conductivities of the following 0.100 M solutions were measured with Jim’s light bulb conductivity apparatus: HF, KI, CH3OH, Al(NO3)3.  Rank these solutions in order of decreasing intensity (brightest to dimmest) of the light bulb:

Consider the following beakers: In which of these beakers will a chemical reaction occur?

What classification is given to a substance that produces hydroxide (OH-) ions when added to water?

Paying attention in lecture question! The double slit experiment was discussed in two of the video clips we watched from Ch. 6 and shows the wave-particle duality of light as it travels through two tiny slits. What was the light source used for this experiment?

What volume of 0.250 M HNO3 is required to neutralize (completely react with) a solution prepared by dissolving 17.5 g of NaOH in water? (Hint: You’ll want to start by writing a balanced equation for the process)

Which of the following forms of EM radiation has the highest frequency?

Which of the following is classified as a decomposition reaction?

The value of ∆Hº for the reaction below is -790 kJ:       2 S (s) + 3 O2 (g)

Which atomic orbitals are represented by the electron density plots pictured below?