Question 1: Referring only to the periodic table, tell:
a). How the electron configurations of fluorine (F) and chlorine (Cl) are similar?
b). How are they different?
c). How do you expect the electron configurations of bromine (Br) and iodine (I) to be similar to those of fluorine and chlorine?
Question 2:
a). Calculate the molar mass in g/mol of the following compound (ammonium dichromate):
(NH4)2Cr2O7
b). Calculate the mass, in g, of the following: 0.158 mol IF5 (iodine pentafluoride)
c). Calculate the amount, in moles, of the following: 25.4 g Pb(C2H3O2)2 (lead (II) acetate)
d). Calculate the percent by mass of C, H, and O in C6H12O6 (glucose)