REVIEW QUESTIONS

Chapter 5
  1. Two samples of a compound containing carbon and chlorine are decomposed and the following data was obtained:
Sample 1 38.9 g C 448 g of Cl
Sample 2 14.8 g C 134 g of Cl
Based on the data obtained, are these samples the same compound? Show why or why not.
2. A 7.83 g sample of HCN contains 2.90 g of H and 4.06 g of N . Find the mass of carbon in a sample of HCN with a mass of 3.37 g .
3. For the compounds listed below, determine the number of elements and the total number of atoms in each:
a) # of elements: # of atoms:
b) # of elements: # of atoms:
c) # of elements: # of atoms:
4. Complete the table below with the missing information:
Formula No. of ions
No. of Oxygen
atoms
No. of Hydrogen
atoms
  1. Name each compound shown below:
    a)
    b)
    c)
    d)
    e)
    f)
  2. Write formula for each compound below:
    a) Copper(II) chlorite
    b) tetraphosphorus triselenide
    c) iron(II) phosphate
    d) magnesium nitride
    e) ammonium carbonate
  3. Is each name correct for the given formula? If not, provide the correct name.
    a) hydrogen nitrate
    b) calcium diiodide
    c) lead(II) carbonate
    d) phosphorus chloride
  4. Complete the table below with the missing information:
Formula Type of Compound (Ionic, Molecular, Acid) Name
potassium nitrate
carbon tetrabromide