Soal-soal ulangan harian materi ikatan kovalen

Share A.
1. Predict whether the bond present in the following compounds are nonpolar covalent, polar covalent, or ionic bonding?
a. BF3 b. P4 c. HBr d. NaBr e. CaO
2. Draw Lewis structure of :
a. NO2+ b. OF2 c. BF3 d. NH4+ e. CO
3. Draw Lewis structure of :
a. Potassium phosphate
b. Ammonium sulfate
4. Draw Lewis structure of the following polyatomic ions. Show canonical structure where applicable.
a. NO2-
b. SO32-
5. Draw Lewis structure of the following oxy acid. Show canonical structure where applicable.
a. HNO3
b. H3PO4
c. H3PO3
Electronegativity : B = 2.04 F = 3.98 P = 2.19 Br = 2.96 Na = 0.93 Ca = 1.00 O = 3.44
H = 2.20
Atomic number : H = 1 B = 3 B = 5 C = 6 N = 7 O = 8 F = 9 Na = 11 P = 15 S = 16
K = 19 Ca = 20 Br = 35


B.
1. Predict whether the bond present in the following compounds are nonpolar covalent, polar covalent, or ionic bonding?
a. BCl3 b. S8 c. HI d. KCl e. MgO
2. Draw Lewis structure of :
a. NO2- b. SCl2 c. AlCl3 d. PH4+ e. CS
3. Draw Lewis structure of :
a. Potassium nitrate
b. Phosphonium sulfate
4. Draw Lewis structure of the following polyatomic ions. Show canonical structure where applicable.
c. CO22-
d. SeO32-
5. Draw Lewis structure of the following oxy acid.
a. HNO2
b. H2SO4
c. H3PO3
Electronegativity : B = 2.04 Cl = 3.16 S = 2.58 H = 2.20 I = 2.66 K = 0.82 O = 3.44
Mg = 1.31
Atomic number : H = 1 C = 6 N = 7 O = 8 Na = 11 Al = 13 P = 15 S = 16 Cl = 17
K = 19 Ca = 20 Se = 34 Br = 35