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Step 6<br />
Put the atoms in the structure that you think it will<br />
have and bond them together.<br />
Put Single bonds between atoms.<br />
Step 7<br />
Find the number of nonbonding (lone pairs) e-.<br />
Subtract step 3 number from step 1.<br />
20 – 16 = 4e- = 2 lone pairs<br />
Step 8<br />
Complete the Octet Rule by adding the lone<br />
pairs.<br />
Then, if needed, use any lone pairs to make<br />
double and triple bonds so that all atoms meet<br />
the Octet Rule.<br />
See Step 4 for total number of bonds.