S Block Elements, Chemistry, Short Notes.
release of hydroxide ions (OH⁻). Alkali Metals (Li, Na, K, Rb, Cs, Fr) ➭ Highly reactive: React vigorously with water, forming strong bases (hydroxides). ➭ Low ionization energies: Easily lose their single valence electron. ➭ Soft and light: Can be cut with a knife. ➭ Impart characteristic colors