It can be deduced that some atoms tend to form ions to acquire the number of electrons of the noble gases because the electron arrangements with these numbers of electrons are very stable.
While it is helpful to know that many ions have the same number of electrons as a noble gas, many elements, especially among the metals, form ions that do not have the same number of electrons as a noble gas.
Use the periodic table shown below, to determine which of the following ions have the same number of electrons as a noble gas.
Check all that apply.
a) Zn 2+
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