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

In the ground state, an element has 13 electrons in its M shell. The element is

An atom of an element X has 2 electrons in its N shell. Where is this element placed in the periodic table ?

An atom of an element has two electrons in the M shell. What is the (a) atomic number (b) number of protons in this element ?

An atom of an element X has 2 electrons in its N shell. State its electronic configuration

An atom of an element X has 2 electrons in its N shell. Write the formula of its chloride.

An atom of an element X has 2 electrons in its N shell. State the number of protons in X.

An atom of an element X has 2 electrons in its N shell. Is it a metal or non-metal ?

An element has 13 electrons in its M shell and 1 electron in N shell in ground state. Identify the element.

An element A has 2 electrons in its, fourth shell. State its electronic configuration

An element A has 2 electrons in its, fourth shell. State is it a metal or a non-metal