NAME: ________________________________________
PERIOD: _______
1. Fill in the missing information on the table below.
Element
# of Protons
# of
Electrons
# of Valence
Electrons
Electronegativity
Sodium
Chlorine
Berylium
Fluorine
Lithium
Oxygen
Phosphorus
2. For each of the following ionic bonds:
a. Write the symbol for each element.
b. Draw a Lewis Dot structure for the valence shell
c. Draw an arrow (or more if needed) to show the transfer of electrons to the new element
d. Write the charge on each ion that forms after electron transfer
e. Write the resulting formula
f. Calculate the electronegativity difference
g. Identify the bond type
A. Sodium + Chlorine
B. Magnesium + Iodine
C. Sodium + Oxygen
D. Calcium + Chlorine
E. Aluminum + Chlorine
1. Fill in the table below
Element
# of Protons
# of Electrons
# of Valence
Electrons
Electronegativity
Sodium
Chlorine
Berylium
Fluorine
Lithium
Oxygen
Phosphorus
Nitrogen
2. For each of the following covalent bonds:
a. Write the symbols for each element.
b. Draw a Lewis structure for the valence shell of each element.
c. Rearrange the electrons to pair up electrons from each atom.
d. Draw circles around the shared pair of electrons between atoms.
e. Replace the shared pair of electrons with a dashed line.
f. Write the chemical formula for each molecule.
g. Calculate the electron difference between bonding atoms.
h. Identify the bond type.
A. Hydrogen + Hydrogen
B. Chlorine + Chlorine
C. Hydrogen + Chlorine
D. Hydrogen + Chlorine
E. Nitrogen + Hydrogen
F. Carbon + Hydrogen