Answer:
➢ There are eight lone pairs of electrons in each of the three resonance structures of NO3- ion. These <u>eight lone pairs</u> are provides by three oxygen atoms. There are no lone pairs on nitrogen atom.

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Answer:
a supply of electric charges which are free to flow, some form of push to move the charges through the circuit and a pathway to carry the charges.
Explanation:
There's your answer have a good day
Is it an atomic model? I'm not really sure
Mass is measured against a standard by using a balance. The statement given above is a fact. Therefore the answer among the choices is letter "A" or "A. True". I hope this helps you on your assignment.