Lithium (Li) possesses a single valence electron. A valence electron is outlined as an electron discovered within the outermost electron shell of an atom and determines the chemical properties of the ingredient. As a result of lithium is within the first group of the periodic desk, often known as the alkali metals, it conforms to the attribute of those components, which is having one valence electron.
The presence of just one valence electron explains lithium’s excessive reactivity and its tendency to readily lose this electron to kind a constructive ion (Li+). This attribute is key to lithium’s position in varied chemical reactions and its functions, corresponding to in batteries and prescription drugs. Understanding the valence electron configuration of components like lithium is essential in predicting their conduct and functions in varied scientific and technological fields.