PRACTICE ASSESSMENT (Submit ontine) 1. How many protons, neutrons, and electrons are in: inieal Enuations 2. Give the appropriate chemical formula for each ionic compound. A. Aluminum ion and iodide ion. B. Fe3+ and s2. C. Calelum ion and 502. D. PO43 and Barlum ion 3. The structural formula of glycerol is shown below. Determine the molecular and empirical formulas. Molecular Formula Empirical formula 4. Label the following compounds as molecular (M) or ionic (I). A. CH3OH C. C22H22O21 B. CaCO2 D. NH4NO2 5. Nitrogen triiodide, a shock sensitive compound, undergoes a decomposition reaction to produce molecular nitrogen and a violet vapor. Balance the chemical equation: NI3N2+l2 6. Butane, a common fuel used in lighters, combusts with molecular oxygen to form water and carbon dioxide. Balance the chemical equation: C4H20+O2H2O+CO2