Is a scorpion a mollusc

No, a scorpion is not a mollusc. Scorpions belong to the class Arachnida, which includes Spiders, ticks, and mites, while molluscs are a separate group of invertebrates that includes snails, clams, and octopuses. Scorpions have a segmented body and jointed appendages, characteristics typical of arachnids, whereas molluscs have soft bodies, often protected by a hard shell.