.An element Y belong to \(3^{rd}\) period of the P-block elements.it has "4" electrons in the outer most shell. Name the element.

An element X belongs to the third period of the p- block elements. It has 4 electrons in the outermost shell. Name the element.

An element 'X' belongs to the third period of the p-block elements. It has four electrons in the outermost shell. The name of the element is

The element having 18 electrons in its outer most shell is:

Element "X" has two electrons in its "M" shell.Identify the element.

How many element are present in the third period of the p-block elements ?

An element has 2 electrons in the M shell. What is the atomic number of the element ?

In which group of elements all have one 'electron' in their outer shell:-