Question

Predict the molecular and bond angle for each molecule or ion given below: SO3, ClO3-, NF3, SO42-

Answer 1

Here is SO3. You can find the others on google.com
http://www.google.com/search?q=lewis+structure+SO3&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a