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lewis dot structure practice (6)

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Chemistry -- Lewis Dot Structure Practice
Name: _______________ Date: _______
1. Determine the bond type between each of the following atoms.
Mg and P
________________________
Si and O
________________________
H and P
________________________
Cr and F
________________________
2. Complete the following chart.
Element
Chemical
Symbol
Total # of
electrons
# of valence electrons
Lewis Dot diagram
Potassium
Nitrogen
Carbon
Beryllium
Neon
Sulfur
3. Now try using dot diagrams to predict chemical formulas. Fill in the table below.
Elements
Na and F
Br and Br
Mg and O
Dot diagram for each
element
Dot diagram for
compound formed
Chemical formula
4. Draw the electron dot structure for each of the molecules below.
a. NCl3
b. CO2
c. H2S
d. SO3
e. CI4
f. NH4+1
g. CH3CH3
h. NH2CH2CHO