which element has atoms with exaxtly four valence ekectrons in its ground state ?

Which gas phase atom has no unpeied electrons in its ground state ?

Which element has a valency 1?

Which elements has a total of three shells, with four electrons in its valence shell?

Which elements has A total of three shells, with four electrons in its valence shell ?

Which element has: A total of three shells, with four electrons in its valence shell?

An element A has 4 valence electrons in its atom whereas element B has only one valence electron in its atom. The compound formed by A and B does not conduct electricity. What is the nature of chemical bond in the compound formed? Give its electron-dot structure.

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

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