1. dinitrogen tetrahydride
#22 Write the names for these molecular compounds:
a. NCl3
nitrogen trichloride
b. BCl3
boron trichloride
c. NI3
nitrogen triiodide
d. SO3
sulfur trioxide
e. N2H4
dinitrogen tetrahydride
f. N2O3
dinitrogen trioxide

2. d. diphosphorus trioxide
#23 Write the formulas or names for theses molecular compounds
a. CS2
carbon disulfide
b. carbon tetrabromide
CBr4
c. Cl2O7
dichlorine heptoxide
P2O3
d. diphosphorus trioxide

3. 24. Write the formulas for these binary molecular compounds
a. phosphorus pentachloride
PCl5
IF7
b. iodine heptafluoride
ClF3
c. chlorine trifluoride
IO2
d. iodine dioxide

4. No. It should have been just silicon tetrachloride
#25 The name a student gives for the molecular
compound SiCl4 is monosilicon trichloride. Is
this name correct? explain.
No. It should have been just
silicon tetrachloride