Answer:
It will have 5 valence electrons as its in group 5.
The atom will gain as its closer to the full configuration 8.
The charge will be 3- as it will gain 3 electrons.
C. because silvers atomic number is 47 so you subtract 47 from 107 to get the number of neutrons
Answer:

Explanation:
Hello,
In this case the undergoing chemical reaction is:

Next we identify the limiting reactant with the given amounts of methane and oxygen by computing the available moles of methane and the moles of methane consumed by the 133 g of oxygen:

In such a way, the limiting reactant is methane with 0.75 moles which produce the following mass of carbon dioxide:

Best regards.