Alkali metals are a group of elements in Group 1 of the periodic table, known for their high reactivity and tendency to form +1 ions. These metals include lithium, sodium, potassium, rubidium, cesium, and francium.
Periodic Table: A tabular arrangement of chemical elements organized by increasing atomic number and groups based on similar chemical properties.
Ionic Bond: A type of chemical bond that forms between oppositely charged ions due to electrostatic attraction.
Valence Electron: An outermost electron of an atom that participates in chemical bonding.