Question

a neutral atom has 2electrons in its K shell 8electrons in its L shell and 2electrons in its M shell.Find the atomic number of the element.Write the symbol of the ion that will be obtained if the electrons in the M shell are removed from the atom​

Answer 1

Answer:

Atomic number=12

Explanation:

Element is Magnesium

If 2 electrons are removed from M shell

then the ion is Mg2+