Structure of Atom

Question

The number of s-electrons present in an ion with 55 protons in its unipositive state is

Accepted Answer

Option A. The number of protons in an element determines its atomic number, which is the number of electrons in a neutral atom of the element. The unipositive state of an ion indicates that it has lost one electron. Therefore, the number of electrons in a unipositive ion is one less than the atomic number.

More on Structure of Atom

Structure of Atom

More on Structure of Atom