The atomic number of an element M is 26. How many electrons are present in the M-shell of the element in its `M^(3+)` state

The atomic number of an element M is 20. How many electrons are present in the M-shell of the element in its M^(3+) state ?

The atomic number of cation M^(2+) is 12. How many electrons are present in it ?

If the atomic number of an element is 36, the number of electrons present in the M-shell is

If the atomic number of an element is 36, the number of electrons present in the M-shell is

How many electrons are present in the M-shell of an atom of the element with atomic number Z = 24 ?

Three elements 'X', 'Y' and 'Z' have atomic numbers 18, 19 and 20 respectively. How many electrons are present in the M shell of these elements?

Three elements 'X', 'Y' and 'Z' have atomic numbers 18, 19 and 20 respectively. How many electrons are present in the M shell of these elements?

How many electrons are present in the M shell, the outermost shell of argon?