Valency electrons in alkali metals are

Identify the correct statement regarding elemental sodium.

The blue color of a solution of sodium in liquid ammonia is due to the presence of.....

The $Cs^{+}$ ion imparts a violet color to the flame. This is due to the fact that the emitted radiation has .........

How does the ionization energy of elements in Group $1$ change as we move down the group?

When sodium $(Na)$ metal is dissolved in liquid ammonia $(NH_3)$, it imparts a blue colour to the solution. This blue coloration is due to: