The element is Ni(Nickel) with 28 electrons and a charge of 2+.
Atomic number
The atomic number is represented as Z. Atomic number is equal to the number of protons which is equal to the number of electrons.
So, in the case given in the question, the atomic number is 28 because it has 28 electrons.
Find more information about the atomic number here,
https://brainly.com/question/371590
