The amount of nitrogen atoms in the nickel (II) nitrate molecule / whose formula is Ni (NO3) 2); is 2. The coefficient 2 multiplies by 2 the number of atoms of the Nitrate ion (charge -1), since it is required to balance the charge of nickel 2+.
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answer: the primary difference between a hypothesis and a theory is that b hypothesis is falsifiable, but a theory has been proven to be correct. theory is an explanation of something that is happening but hypothesis is a guess of something that can happen
explanation:
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