Question

electronic configuration of sodium is 2,8,1 what is its valency​

Answer 1

Answer:

Valency of Sodium (Na)-1

Answer 2

Answer:

Electronic configuration of sodium is 2,8,1

Valency of Na(sodium) is +1 , as it a cation and cations give away electrons to attain stable electronic configuration valency of sodium is positive.

Explanation:

Valency of an atom is the combining capacity of an atom to combine with another atom.Valency sometimes can also be defined as the number of electrons present in the outer shell of an atom.