aleilyg2005
04.10.2021 •
Chemistry
Write the Electron Configuration using the box diagram or orbital diagram of each element.
11vNa
1s^2 2s^2 2p^6 3s^1
18vAr
1s^2 2s^2 2p^6 3s^2 3p^6
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Ответ:
The correct answer is A.2
Explanation:
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+.