Answer: I think its C or B
Explanation: Hope this was helpful....
Answer:

Explanation:
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In this case, according to the given information, it turns out firstly necessary for us to write the complete molecular equation as shown below:

Now, we can separate the nitrates in ions as they are aqueous to obtain:

And then, we cancel out the nitrate ions as the spectator ones, for us to obtain the net ionic equation:

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Measured values are verified and go under a series of experiments before being accepted as the norm. Accepted values are unanimously accepted values, seen as the norm by a qualified group of individuals (scientists or the people of the intellectual sphere).
The atomic number is the number of protons an element has, protons are positively charged and electrons are negatively charged. All elements have no charge so the number of electrons will always equal the number of protons for an element so there are 6 electrons.